Cita APA (7th ed.)

Bell, M. L. (1966). Marketing: Concepts and strategy. Houghton Mifflin.

Cita Chicago (17th ed.)

Bell, Martin L. Marketing: Concepts and Strategy. Boston: Houghton Mifflin, 1966.

Cita MLA (9th ed.)

Bell, Martin L. Marketing: Concepts and Strategy. Houghton Mifflin, 1966.