APA استشهاد

Philip, K. (1982). Principles of marketing. Prentice hall of India.

استشهاد بنمط شيكاغو

Philip, Kotler. Principles of Marketing. New Delhi: Prentice hall of India, 1982.

MLA استشهاد

Philip, Kotler. Principles of Marketing. Prentice hall of India, 1982.