APA استشهاد

Grant,Eugene L, & Ireson,W Grant. (1982). Principles of engineering economy (7.). John Wiley & Sons.

استشهاد بنمط شيكاغو

Grant,Eugene L, و Ireson,W Grant. Principles of Engineering Economy. 7. New York: John Wiley & Sons, 1982.

MLA استشهاد

Grant,Eugene L, و Ireson,W Grant. Principles of Engineering Economy. 7. John Wiley & Sons, 1982.