APA استشهاد

Orlans, H. (1972). Nonprofit Research Institute. McGraw-Hill.

استشهاد بنمط شيكاغو

Orlans, Herold. Nonprofit Research Institute. New York: McGraw-Hill, 1972.

MLA استشهاد

Orlans, Herold. Nonprofit Research Institute. McGraw-Hill, 1972.