APA استشهاد

Urwick, L. (1956). Pattern of management. Sir Isaac pitman & sons.

استشهاد بنمط شيكاغو

Urwick, L.F. Pattern of Management. London: Sir Isaac pitman & sons, 1956.

MLA استشهاد

Urwick, L.F. Pattern of Management. Sir Isaac pitman & sons, 1956.