Gaya APA

(p3ei), P, P, &, P, E, I. (1999). Grolier Business Library Managing Projects . wanchai: grolier printing.

Gaya MLA

(p3ei), Pusat, Pengkajian, &, Pengembangan, Ekonomi, Islam. "Grolier Business Library Managing Projects". wanchai: grolier printing, 1999. Text.