Cita APA (7th ed.)

HOFFMAN, K. (1982). Shop math: National machine tool builders' association. John Wiley and Sons.

Cita Chicago (17th ed.)

HOFFMAN, K.E. Shop Math: National Machine Tool Builders' Association. New York: John Wiley and Sons, 1982.

Cita MLA (9th ed.)

HOFFMAN, K.E. Shop Math: National Machine Tool Builders' Association. John Wiley and Sons, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.