Cita APA (7th ed.)

BELL, M. L. (1966). Marketing concepts and strategy. Macmillan.

Cita Chicago (17th ed.)

BELL, Martin L. Marketing Concepts and Strategy. London: Macmillan, 1966.

Cita MLA (9th ed.)

BELL, Martin L. Marketing Concepts and Strategy. Macmillan, 1966.

Atenció: Aquestes cites poden no estar 100% correctes.