APA-referens (7:e uppl.)

Iyer, R. N. (2008). Business Environment. Vipul.

Chicago-referens (17:e uppl.)

Iyer, Ramnath Natesan. Business Environment. Mumbai: Vipul, 2008.

MLA-referens (9:e uppl.)

Iyer, Ramnath Natesan. Business Environment. Vipul, 2008.