Dyfyniad APA

John, K. (1996). Engineering graphics (8th ed.). Jet Publications.

Dyfyniad Arddull Chicago

John, K.C. Engineering Graphics. 8th ed. Thrissur: Jet Publications, 1996.

Dyfyniad MLA

John, K.C. Engineering Graphics. 8th ed. Jet Publications, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.