Dyfyniad APA

John,, K. (2009). Engineering graphics for degree. PHI.

Dyfyniad Arddull Chicago

John,, K.C. Engineering Graphics for Degree. New Delhi: PHI, 2009.

Dyfyniad MLA

John,, K.C. Engineering Graphics for Degree. PHI, 2009.

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