Dyfyniad APA

Bulletin of the Association of Departments & Administrators in Speech Communication. Association for Communication Administration.

Dyfyniad Arddull Chicago

Bulletin of the Association of Departments & Administrators in Speech Communication. Association for Communication Administration.

Dyfyniad MLA

Bulletin of the Association of Departments & Administrators in Speech Communication. Association for Communication Administration.

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