Gary, A., & Philip, K. (2008). Principles of Marketing. Prentice Hall of India Private Limited.
استشهاد بنمط شيكاغوGary, Armstrong, و Kotler Philip. Principles of Marketing. New Delhi: Prentice Hall of India Private Limited, 2008.
MLA استشهادGary, Armstrong, و Kotler Philip. Principles of Marketing. Prentice Hall of India Private Limited, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.