APA (7e ed.) Bronvermelding

THUESEN, H., FABRICKY, W., & THUESEN, G. (1981). Engineering economy -- Ed. 5. Prentice-Hall of India.

Chicago (17e ed.) Bronvermelding

THUESEN, H.G, W.J FABRICKY, en G.J THUESEN. Engineering Economy -- Ed. 5. New Delhi: Prentice-Hall of India, 1981.

MLA (9e ed.) Bronvermelding

THUESEN, H.G, et al. Engineering Economy -- Ed. 5. Prentice-Hall of India, 1981.