Dyfyniad APA

Merry Aronson. (2007). The Public Relations Writers Hanbook. San francisco: Wiley.

Dyfyniad Arddull Chicago

Merry Aronson. The Public Relations Writers Hanbook. San francisco: Wiley, 2007.

Dyfyniad MLA

Merry Aronson. The Public Relations Writers Hanbook. San francisco: Wiley, 2007.

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