APA-referens (7:e uppl.)

THUESEN, H. (1981). Engineering aconomy.-- Ed.5. Prentice-Hall.

Chicago-referens (17:e uppl.)

THUESEN, H.G. Engineering Aconomy.-- Ed.5. New Delhi: Prentice-Hall, 1981.

MLA-referens (9:e uppl.)

THUESEN, H.G. Engineering Aconomy.-- Ed.5. Prentice-Hall, 1981.