APA-referens (7:e uppl.)

Johnson, P. (2007). Business economics F.Y.BCom (3rd.). Manan Prakashan.

Chicago-referens (17:e uppl.)

Johnson, P.A. Business Economics F.Y.BCom. 3rd. Mumbai: Manan Prakashan, 2007.

MLA-referens (9:e uppl.)

Johnson, P.A. Business Economics F.Y.BCom. 3rd. Manan Prakashan, 2007.