Dyfyniad APA

Griffin, E. (2008). A first look at communication theory.-- Ed.6. McGraw Hill.

Dyfyniad Arddull Chicago

Griffin, EM. A First Look at Communication Theory.-- Ed.6. Boston: McGraw Hill, 2008.

Dyfyniad MLA

Griffin, EM. A First Look at Communication Theory.-- Ed.6. McGraw Hill, 2008.

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