Cita APA (7a ed.)

Enis, B. M. (1980). Marketing principles (3rd ed.). Goodyear.

Cita Chicago Style (17a ed.)

Enis, Ben M. Marketing Principles. 3rd ed. Sta. Monica, Calif: Goodyear, 1980.

Cita MLA (9a ed.)

Enis, Ben M. Marketing Principles. 3rd ed. Goodyear, 1980.