Cita APA (7th ed.)

ZIKMUND WILLIAM G. (2008). BUSINESS RESEARCH METHODS 7TH ED (7TH ED.). SOUTH-WESTERN COLLEGE PUBLISHING CO.

Cita Chicago (17th ed.)

ZIKMUND WILLIAM G. BUSINESS RESEARCH METHODS 7TH ED. 7TH ED. AUSTRALIA: SOUTH-WESTERN COLLEGE PUBLISHING CO, 2008.

Cita MLA (9th ed.)

ZIKMUND WILLIAM G. BUSINESS RESEARCH METHODS 7TH ED. 7TH ED. SOUTH-WESTERN COLLEGE PUBLISHING CO, 2008.