APA استشهاد

Saunders, A. G. (1949). Effective business english/3e (3rd ed.). The macmillian company.

استشهاد بنمط شيكاغو

Saunders, Alta Gwinn. Effective Business English/3e. 3rd ed. New York: The macmillian company, 1949.

MLA استشهاد

Saunders, Alta Gwinn. Effective Business English/3e. 3rd ed. The macmillian company, 1949.