Dyfyniad APA

Gulley, H. E. (1960). Discussion, conference and group process. Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Gulley, Halbert E. Discussion, Conference and Group Process. London: Holt, Rinehart and Winston, 1960.

Dyfyniad MLA

Gulley, Halbert E. Discussion, Conference and Group Process. Holt, Rinehart and Winston, 1960.

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