Dyfyniad APA

Griffin, E. (2006). A first look at communication theory. Boston: McGraw Hill.

Dyfyniad Arddull Chicago

Griffin, Em. A First Look At Communication Theory. Boston: McGraw Hill, 2006.

Dyfyniad MLA

Griffin, Em. A First Look At Communication Theory. Boston: McGraw Hill, 2006.

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