Sandhu, A. S. (1994). Extension Programme Planning. Oxford & IBH.
Chicago-čujuhus (17. p.)Sandhu, Anoop Singh. Extension Programme Planning. New Delhi: Oxford & IBH, 1994.
MLA-čujuhus (9. p.)Sandhu, Anoop Singh. Extension Programme Planning. Oxford & IBH, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.