APA استشهاد

Bass, B. (1968). Excercise objectives (4th ed.). Mitra box 189.

استشهاد بنمط شيكاغو

Bass, BernardM. Excercise Objectives. 4th ed. Madurai: Mitra box 189, 1968.

MLA استشهاد

Bass, BernardM. Excercise Objectives. 4th ed. Mitra box 189, 1968.