APA-referens (7:e uppl.)

Johnson, P. (2004). Business economics-II S.Y.B.Com (7th rev.). Manan.

Chicago-referens (17:e uppl.)

Johnson, P. Business Economics-II S.Y.B.Com. 7th rev. Mumbai: Manan, 2004.

MLA-referens (9:e uppl.)

Johnson, P. Business Economics-II S.Y.B.Com. 7th rev. Manan, 2004.