Dyfyniad APA

Roth, R., & Pentak, S. (2013). Design basics. Wadsworth Cengage Learning.

Dyfyniad Arddull Chicago

Roth, Richard, and Stephen Pentak. Design Basics. Australia: Wadsworth Cengage Learning, 2013.

Dyfyniad MLA

Roth, Richard, and Stephen Pentak. Design Basics. Wadsworth Cengage Learning, 2013.

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