Cita APA (7th ed.)

BIRD DRAYATON. (1989). COMMONSENSE DIRECT MARKETING (2.). KOGAN PAGE.

Cita Chicago (17th ed.)

BIRD DRAYATON. COMMONSENSE DIRECT MARKETING. 2. LONDON: KOGAN PAGE, 1989.

Cita MLA (9th ed.)

BIRD DRAYATON. COMMONSENSE DIRECT MARKETING. 2. KOGAN PAGE, 1989.