Dyfyniad APA

Landa, R. (2011). Graphic design solutions (4th ed.). Wadsworth/Cengage Learning.

Dyfyniad Arddull Chicago

Landa, Robin. Graphic Design Solutions. 4th ed. Boston, Mass: Wadsworth/Cengage Learning, 2011.

Dyfyniad MLA

Landa, Robin. Graphic Design Solutions. 4th ed. Wadsworth/Cengage Learning, 2011.

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