APA استشهاد

Craig, R. (1976). Training and development handbook (2.). Mc graw Hill.

استشهاد بنمط شيكاغو

Craig, R. Training and Development Handbook. 2. New York: Mc graw Hill, 1976.

MLA استشهاد

Craig, R. Training and Development Handbook. 2. Mc graw Hill, 1976.