Cita APA (7a ed.)

Kotler, P. (1994). Learning guide ; Principles of marketing (6th ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Kotler, Philip. Learning Guide ; Principles of Marketing. 6th ed. New Jersey, New York: Prentice Hall, 1994.

Cita MLA (9a ed.)

Kotler, Philip. Learning Guide ; Principles of Marketing. 6th ed. Prentice Hall, 1994.