Dyfyniad APA

Sink, C. A., Edwards, C. N., & Eppler, C. (2012). School-based group counseling. Belmont, CA: Brooks/Cole Cengage Learning.

Dyfyniad Arddull Chicago

Sink, Christopher A., Cher N. Edwards, và Christie Eppler. School-based Group Counseling. Belmont, CA: Brooks/Cole Cengage Learning, 2012.

Dyfyniad MLA

Sink, Christopher A., Cher N. Edwards, và Christie Eppler. School-based Group Counseling. Belmont, CA: Brooks/Cole Cengage Learning, 2012.

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