Johnson, P. (2009). Business economics-II (S.Y.B.Com). Manan.
Cita Chicago (17th ed.)Johnson, P. Business Economics-II (S.Y.B.Com). Mumbai: Manan, 2009.
Cita MLA (9th ed.)Johnson, P. Business Economics-II (S.Y.B.Com). Manan, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.