APA استشهاد

Williams,Hank. (1997). Essence of managing groups and teams. Prentice -Hall of India Pvt.Ltd.

استشهاد بنمط شيكاغو

Williams,Hank. Essence of Managing Groups and Teams. New Delhi: Prentice -Hall of India Pvt.Ltd, 1997.

MLA استشهاد

Williams,Hank. Essence of Managing Groups and Teams. Prentice -Hall of India Pvt.Ltd, 1997.