Sinha, P. K. (2013). Project appraisal planning & control. Excel Books.
Chicago-čujuhus (17. p.)Sinha, Pradip Kumar. Project Appraisal Planning & Control. New Delhi: Excel Books, 2013.
MLA-čujuhus (9. p.)Sinha, Pradip Kumar. Project Appraisal Planning & Control. Excel Books, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.