Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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