Gaya APA

HOFFMAN, E, G. (2000). Shop Reference for Students and Apprentices from Machinery's Handbook 2ed (2). New York: Indrustrial Press, Inc..

Gaya MLA

HOFFMAN, Edward, G. "Shop Reference for Students and Apprentices from Machinery's Handbook 2ed". 2 New York: Indrustrial Press, Inc., 2000. Printed.