Dyfyniad APA

Corey, G., Corey, M. S., & Haynes, R. (2000). Evolution of a group: Student video and workbook. Brooks/Cole.

Dyfyniad Arddull Chicago

Corey, Gerald, Marianne Schneider Corey, and Robert Haynes. Evolution of a Group: Student Video and Workbook. Pacific Grove: Brooks/Cole, 2000.

Dyfyniad MLA

Corey, Gerald, et al. Evolution of a Group: Student Video and Workbook. Brooks/Cole, 2000.

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