Johnson, P. (2006). Business economics F.Y.B.Com (2nd.). Manan.
Chicago Style aipamenaJohnson, P. Business Economics F.Y.B.Com. 2nd. Mumbai: Manan, 2006.
MLA aipamenaJohnson, P. Business Economics F.Y.B.Com. 2nd. Manan, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.