APA استشهاد

Gopalakrishnan, P. (1993). Text book of project management. Macmillan.

استشهاد بنمط شيكاغو

Gopalakrishnan, P. Text Book of Project Management. Delhi: Macmillan, 1993.

MLA استشهاد

Gopalakrishnan, P. Text Book of Project Management. Macmillan, 1993.