Παραπομπή APA

Thuesen, H. G. (1981). Engineering economy. Prentice-Hall of India.

Παραπομπή Chicago Style

Thuesen, H G. Engineering Economy. New Delhi: Prentice-Hall of India, 1981.

Παραπομπή MLA

Thuesen, H G. Engineering Economy. Prentice-Hall of India, 1981.