Dyfyniad APA

Bivins, T. H. (2005). Public relations writing: The essentials of style and format. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Bivins, Thomas H. Public Relations Writing: The Essentials of Style and Format. Boston: McGraw-Hill, 2005.

Dyfyniad MLA

Bivins, Thomas H. Public Relations Writing: The Essentials of Style and Format. Boston: McGraw-Hill, 2005.

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