Dyfyniad APA

 Adams, K. L. (2009).  Communicating in groups: Applications and skills.  McGraw-Hill.

Dyfyniad Arddull Chicago

 Adams, Katherine L.  Communicating in Groups: Applications and Skills.  McGraw-Hill, 2009.

Dyfyniad MLA

 Adams, Katherine L.  Communicating in Groups: Applications and Skills.  McGraw-Hill, 2009.

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