Dyfyniad APA

(2004). Public relationsthe profession and the practice [ada cd]Ottis Baskin et.al. McGraw-Hill.

Dyfyniad Arddull Chicago

Public Relationsthe Profession and the Practice [ada Cd]Ottis Baskin Et.al. McGraw-Hill, 2004.

Dyfyniad MLA

Public Relationsthe Profession and the Practice [ada Cd]Ottis Baskin Et.al. McGraw-Hill, 2004.

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