Tohutoro APA (7th ed.)

Tudor, K. (1999). Group counselling. Sage Publications.

Tohutoru Kātū Chicago (17th ed.)

Tudor, Keith. Group Counselling. London ; Thousand Oaks, CA: Sage Publications, 1999.

Tohutoro MLA (9th ed.)

Tudor, Keith. Group Counselling. Sage Publications, 1999.