APA-ийн эшлэл(7 дахь хэвлэлт)

William G Zikmund. (2013). Business Research Methods.: 9th ed (9th ed.). Cenage.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

William G Zikmund. Business Research Methods.: 9th Ed. 9th ed. United States: Cenage, 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

William G Zikmund. Business Research Methods.: 9th Ed. 9th ed. Cenage, 2013.