एपीए उद्धरण

Kotler, P., & Armstrong, G. (2001). Principles of marketing (9th ed.). Upper Saddle River: Prentice Hall.

शिकागो स्टाइल उद्धरण

Kotler, Philip, और Gary Armstrong. Principles of Marketing. 9th ed. Upper Saddle River: Prentice Hall, 2001.

एमएलए उद्धरण

Kotler, Philip, और Gary Armstrong. Principles of Marketing. 9th ed. Upper Saddle River: Prentice Hall, 2001.