APA

Vlank L. T., Tarquin A. J., . (1989). Engineering Economy. New York: McGraw - Hill Book Company.

Chicago

Vlank Leland T, Tarquin Anthony J, . 1989. Engineering Economy. New York: McGraw - Hill Book Company.

Harvard

Vlank L. T., Tarquin A. J., . (1989). Engineering Economy. New York: McGraw - Hill Book Company.

MLA

Vlank Leland T, Tarquin Anthony J, . Engineering Economy. New York: McGraw - Hill Book Company. 1989.