Dyfyniad APA

Holtzapple, M. T. (2005). Concepts in engineering. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Holtzapple, Mark T. Concepts in Engineering. Boston: McGraw-Hill, 2005.

Dyfyniad MLA

Holtzapple, Mark T. Concepts in Engineering. Boston: McGraw-Hill, 2005.

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