Dyfyniad APA

Bertoline, G. R., & Wiebe, E. N. (2007). Fundamentals of graphics communication (5th ed.). McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Bertoline, Gary R., and Eric N. Wiebe. Fundamentals of Graphics Communication. 5th ed. New York, N.Y: McGraw-Hill Higher Education, 2007.

Dyfyniad MLA

Bertoline, Gary R., and Eric N. Wiebe. Fundamentals of Graphics Communication. 5th ed. McGraw-Hill Higher Education, 2007.

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