Παραπομπή APA

Hibbeler, R. C. (1986). Engineering mechanics (Ed.4.). Mac millan.

Παραπομπή Chicago Style

Hibbeler, R C. Engineering Mechanics. Ed.4. New York: Mac millan, 1986.

Παραπομπή MLA

Hibbeler, R C. Engineering Mechanics. Ed.4. Mac millan, 1986.