Gaya APA

W, B, V, &, C, T. (1961 & 1969). MODERN BUSINESS . New York: Alexander Hamiltn Insttute.

Gaya MLA

W, Bowden,Elbert, V, &, Carlin,, Thomas. "MODERN BUSINESS". New York: Alexander Hamiltn Insttute, 1961 & 1969. Text.