Estilo APA

Kotler, Philip, Armstrong, Gary. (1994). Principles of marketing (6th edition). London: Prentice Hall International.

Estilo Chicago

Kotler, Philip, Armstrong, Gary. Principles of marketing. 6th edition London: Prentice Hall International, 1994. Text.

Estilo MLA

Kotler, Philip, Armstrong, Gary. Principles of marketing. 6th edition London: Prentice Hall International, 1994. Text.

Estilo Turabian

Kotler, Philip, Armstrong, Gary. Principles of marketing. 6th edition London: Prentice Hall International, 1994. Print.