Cita APA (7th ed.)

Stern, L. W. (1993). Marketing Channels (4th.). Prentice- hall of India.

Cita Chicago (17th ed.)

Stern, Louis W. Marketing Channels. 4th. delhi: Prentice- hall of India, 1993.

Cita MLA (9th ed.)

Stern, Louis W. Marketing Channels. 4th. Prentice- hall of India, 1993.