Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.