\begin{table}%t2
%\centering
\par
\caption{\label{tab2}Integrated spectra for cluster discrete sources.}
\begin{tabular}{cccc}
\hline\hline\noalign{\smallskip}
Source   & $\nu$  & Flux density & Reference\\
         &    MHz  &   mJy     &    \\
\hline
Central Source - A     &  74    & $< $840  & e \\ 
                &  153 & $100 \pm 11$  & a \\ 
                &  240   & $ 85  \pm 4$   & a \\
                &  352   & $ 74  \pm 8 $   & b  \\
                &  614   & $ 43  \pm 2  $   & a  \\
                &  1400  & $ 31  \pm 2  $   & c  \\
                &  1477  & $ 29  \pm 2  $  & d  \\
\hline
Amorphous source -  B            &  74    & $11~330 \pm 570$  & e \\ 
                &  153   & $6380  \pm 320$  & a\\ 
                &  240   & $3700  \pm 190$  & a\\
                &  352   & $2610  \pm 130$  & b\\
                &  614   & $1420  \pm 70 $  & a\\
                &  1400  & $632   \pm 32 $  & c\\
                &  1477  & $574   \pm 29 $  & d \\
\hline
North NAT source -  C    &  74    & $<$3000  & e \\      
                & 153    & $1150  \pm 60$  & a\\ 
                &  240   & $800  \pm 40$  & a\\
                &  352   & $636  \pm 32$  & b\\
                &  614   & $497  \pm 24 $  & a\\
                &  1400  & $343   \pm 17 $  & c\\
                &  1477  & $326   \pm 16 $  & d \\
\hline
South NAT source -  D    &  74    & $<$2400  & e \\           
                & 153    & $220  \pm 20$  & a\\ 
                &  240   & $180  \pm 11$  & a\\
                &  352   & $130  \pm 12$  & b\\
                &  614   & $106  \pm 6 $  & a\\
                &  1400  & $72   \pm 4 $  & c\\
                &  1477  & $66   \pm 3 $  & d \\
\hline
\end{tabular}
\tablebib{\tablefoottext{a}{GMRT, this work;}
\tablefoottext{b}{WISH survey, De~Breuck et~al. (\cite{Breuck2002});}
\tablefoottext{c}{NVSS, Condon et~al. (\cite{Condon1998});} 
\tablefoottext{d}{VLA, Govoni et~al. (\cite{Govoni2009});} 
\tablefoottext{e}{VLSS, Cohen et~al. (\cite{Cohen2007}).}}
\end{table}