APA
Kotler P. &. A. G., . (2004). Principles of marketing. Prentice-Hall of India, New Delhi: .
Chicago
Kotler Philip & Armstrong Gary, . 2004. Principles of marketing. Prentice-Hall of India, New Delhi: .
Harvard
Kotler P. &. A. G., . (2004). Principles of marketing. Prentice-Hall of India, New Delhi: .
MLA
Kotler Philip & Armstrong Gary, . Principles of marketing. Prentice-Hall of India, New Delhi: . 2004.