APA استشهاد

Porter, K. V. (1971). Case studies in human relations. Macmillian.

استشهاد بنمط شيكاغو

Porter, Kenneth V. Case Studies in Human Relations. london: Macmillian, 1971.

MLA استشهاد

Porter, Kenneth V. Case Studies in Human Relations. Macmillian, 1971.