Cita APA (7th ed.)

GILES G B. (1989). MARKETING (3.). MACDONALD.

Cita Chicago (17th ed.)

GILES G B. MARKETING. 3. LONDON: MACDONALD, 1989.

Cita MLA (9th ed.)

GILES G B. MARKETING. 3. MACDONALD, 1989.

Atenció: Aquestes cites poden no estar 100% correctes.