Cita APA (7th ed.)

Cunningham, W. H., & Cunningham, I. C. M. (1981). Marketing: A managerial approach. South-Western Publishing, Co.

Cita Chicago (17th ed.)

Cunningham, William Hughes, i Isabella C. M. Cunningham. Marketing: A Managerial Approach. Cincinnati, Ohio: South-Western Publishing, Co, 1981.

Cita MLA (9th ed.)

Cunningham, William Hughes, i Isabella C. M. Cunningham. Marketing: A Managerial Approach. South-Western Publishing, Co, 1981.