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：这些引文格式不一定是100％准确.
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.