Cita APA (7th ed.)

Zikmund & Babin & Others. (2014). Business Research Methods (8 th.). Cengage Learning.

Cita Chicago (17th ed.)

Zikmund & Babin & Others. Business Research Methods. 8 th. Andover: Cengage Learning, 2014.

Cita MLA (9th ed.)

Zikmund & Babin & Others. Business Research Methods. 8 th. Cengage Learning, 2014.