APA aipamena

Sink, C. A., Edwards, C. N., & Eppler, C. School based group counselling.

Chicago Style aipamena

Sink, Christopher A., Cher N. Edwards, và Christie Eppler. School Based Group Counselling.

MLA aipamena

Sink, Christopher A., Cher N. Edwards, và Christie Eppler. School Based Group Counselling.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.