APA-viite

Gupta, P. (1989). Business mathematics. Kedarnath Ramnath.

Chicago-tyylinen lähdeviittaus

Gupta, P.P. Business Mathematics. Meerut: Kedarnath Ramnath, 1989.

MLA-viite

Gupta, P.P. Business Mathematics. Kedarnath Ramnath, 1989.