Dyfyniad APA

Lester, P. M. (2014). Visual communication: Images with messages (6th ed.). Wadsworth/Cengage Learning.

Dyfyniad Arddull Chicago

Lester, Paul Martin. Visual Communication: Images with Messages. 6th ed. Boston: Wadsworth/Cengage Learning, 2014.

Dyfyniad MLA

Lester, Paul Martin. Visual Communication: Images with Messages. 6th ed. Wadsworth/Cengage Learning, 2014.

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