William G Zikmund. (2013). Business Research Methods.: 9th ed (9th ed.). Cenage.
Citación estilo ChicagoWilliam G Zikmund. Business Research Methods.: 9th Ed. 9th ed. United States: Cenage, 2013.
Cita MLAWilliam G Zikmund. Business Research Methods.: 9th Ed. 9th ed. Cenage, 2013.
Warning: These citations may not always be 100% accurate.