Zikmund & Babin & Others. (2014). Business Research Methods (8 th.). Cengage Learning.
Citazione stile Chigago Style (17a edizione)Zikmund & Babin & Others. Business Research Methods. 8 th. Andover: Cengage Learning, 2014.
Citatione MLA (9a ed.)Zikmund & Babin & Others. Business Research Methods. 8 th. Cengage Learning, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.