APA Zitierstil

Jacobs, E. E., Schimmel, C. J., Masson, R. L., & Harvill, R. L. (2016). Group counseling: Strategies and skills (8.). Cengage.

Chicago Zitierstil

Jacobs, Edward E., Christine J. Schimmel, Robert L. Masson, und Riley L. Harvill. Group Counseling: Strategies and Skills. 8. Australia: Cengage, 2016.

MLA Zitierstil

Jacobs, Edward E., et al. Group Counseling: Strategies and Skills. 8. Cengage, 2016.