Dyfyniad APA

Kelley, D. S., & David S. Kelley. (2009). Pro/ENGINEER wildfire 4.0 instructor. New York, NY: McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Kelley, David S., và David S. Kelley. Pro/ENGINEER Wildfire 4.0 Instructor. New York, NY: McGraw-Hill Higher Education, 2009.

Dyfyniad MLA

Kelley, David S., và David S. Kelley. Pro/ENGINEER Wildfire 4.0 Instructor. New York, NY: McGraw-Hill Higher Education, 2009.

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