Cita APA (7th ed.)

Bell, M. L. (1972). Marketing: Concepts and strategy (2nd ed.). Houghton Mifflin.

Cita Chicago (17th ed.)

Bell, Martin L. Marketing: Concepts and Strategy. 2nd ed. Boston: Houghton Mifflin, 1972.

Cita MLA (9th ed.)

Bell, Martin L. Marketing: Concepts and Strategy. 2nd ed. Houghton Mifflin, 1972.