Παραπομπή APA

Thuesen, H. G. (1975). Engineering Economy (4th.). Prentice-Hall of India.

Παραπομπή Chicago Style

Thuesen, H G. Engineering Economy. 4th. New Delhi: Prentice-Hall of India, 1975.

Παραπομπή MLA

Thuesen, H G. Engineering Economy. 4th. Prentice-Hall of India, 1975.