Heisler, S. I. (1998). The Wiley engineer's desk reference: A concise guide for the professional engineer (2nd ed.). New York: John Wiley and Sons.
Dyfyniad Arddull ChicagoHeisler, Sanford I. The Wiley Engineer's Desk Reference: A Concise Guide for the Professional Engineer. 2nd ed. New York: John Wiley and Sons, 1998.
Dyfyniad MLAHeisler, Sanford I. The Wiley Engineer's Desk Reference: A Concise Guide for the Professional Engineer. 2nd ed. New York: John Wiley and Sons, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.