APA-referens (7:e uppl.)

Iyer, U. (2005). A Textbook in business economics (6th.). Ashwarya Pub.

Chicago-referens (17:e uppl.)

Iyer, Usha. A Textbook in Business Economics. 6th. Mumbai: Ashwarya Pub, 2005.

MLA-referens (9:e uppl.)

Iyer, Usha. A Textbook in Business Economics. 6th. Ashwarya Pub, 2005.