Cita APA (7th ed.)

FERELL O C. (1993). MARKETING CONCEPTS AND STRATERGIES (8TH.). HOUGHTON & MIFFLIN.

Cita Chicago (17th ed.)

FERELL O C. MARKETING CONCEPTS AND STRATERGIES. 8TH. BOSTON: HOUGHTON & MIFFLIN, 1993.

Cita MLA (9th ed.)

FERELL O C. MARKETING CONCEPTS AND STRATERGIES. 8TH. HOUGHTON & MIFFLIN, 1993.