Upadhyay, D. (1987). Productivity. N.P.C.
Chicago Edition CitationUpadhyay, D.P. Productivity. N.P.C, 1987.
MLA引文Upadhyay, D.P. Productivity. N.P.C, 1987.
警告：這些引文格式不一定是100％准確.
APA引文
Upadhyay, D. (1987). Productivity. N.P.C.
Chicago Edition CitationUpadhyay, D.P. Productivity. N.P.C, 1987.
MLA引文Upadhyay, D.P. Productivity. N.P.C, 1987.