Παραπομπή σε μορφή APA (7η εκδ.)

McGowan, D. J. (1992). What makes things move?: Simple machines & motion. Encyclopedia Britannica Educational Corporation.

Παραπομπή σε μορφή Chicago (17η εκδ.)

McGowan, David J. What Makes Things Move?: Simple Machines & Motion. Chicago, Ill: Encyclopedia Britannica Educational Corporation, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

McGowan, David J. What Makes Things Move?: Simple Machines & Motion. Encyclopedia Britannica Educational Corporation, 1992.