APA استشهاد

Lock, D. (1993). Handbook of Engineering Management (2nd ed.). Butterworths.

استشهاد بنمط شيكاغو

Lock, Dennis. Handbook of Engineering Management. 2nd ed. Oxford: Butterworths, 1993.

MLA استشهاد

Lock, Dennis. Handbook of Engineering Management. 2nd ed. Butterworths, 1993.