Cita APA (7a ed.)

Nickels, W. G. (1978). Marketing principles: A broadened concept of marketing. Prentice Hall.

Cita Chicago Style (17a ed.)

Nickels, William G. Marketing Principles: A Broadened Concept of Marketing. Englewood Cliffs, NJ: Prentice Hall, 1978.

Cita MLA (9a ed.)

Nickels, William G. Marketing Principles: A Broadened Concept of Marketing. Prentice Hall, 1978.