Cita APA (7th ed.)

Cunningham, W. H., Cunningham, I. C. M., & Swift, C. M. (1987). Marketing: A managerial approach (2a. ed.). South-Western.

Cita Chicago (17th ed.)

Cunningham, William Huges, Isabella C. M. Cunningham, i Christopher M. Swift. Marketing: A Managerial Approach. 2a. ed. Cincinnati: South-Western, 1987.

Cita MLA (9th ed.)

Cunningham, William Huges, et al. Marketing: A Managerial Approach. 2a. ed. South-Western, 1987.