APA-referens (7:e uppl.)

Dangi, H. D. (2016). Business Research Methods. Cengage Learning.

Chicago-referens (17:e uppl.)

Dangi, H.K.; Deween. Business Research Methods. New Delhi: Cengage Learning, 2016.

MLA-referens (9:e uppl.)

Dangi, H.K.; Deween. Business Research Methods. Cengage Learning, 2016.