APA استشهاد

Thuesen, G. J., & Fabrycky, W. J. (2002). Engineering economy (9th ed.). Prentice-Hall of India.

استشهاد بنمط شيكاغو

Thuesen, Gerald J., و W. J. Fabrycky. Engineering Economy. 9th ed. New Delhi: Prentice-Hall of India, 2002.

MLA استشهاد

Thuesen, Gerald J., و W. J. Fabrycky. Engineering Economy. 9th ed. Prentice-Hall of India, 2002.