APA استشهاد

G.S.B. Indiana University, Ryovn. william G, & Offeson, S. (1969). Business horizons. G.S.B. Indiana.

استشهاد بنمط شيكاغو

G.S.B. Indiana University, Ryovn. william G, و Schuylerd Offeson. Business Horizons. Indiana: G.S.B. Indiana, 1969.

MLA استشهاد

G.S.B. Indiana University, et al. Business Horizons. G.S.B. Indiana, 1969.