Cita APA (7th ed.)

ZIKMUND WILLIAM G. (1989). EXPLORING MARKETING RESEARCH (3RD.). DRYDEN PRESS.

Cita Chicago (17th ed.)

ZIKMUND WILLIAM G. EXPLORING MARKETING RESEARCH. 3RD. CHICAGO: DRYDEN PRESS, 1989.

Cita MLA (9th ed.)

ZIKMUND WILLIAM G. EXPLORING MARKETING RESEARCH. 3RD. DRYDEN PRESS, 1989.