Cita APA (7th ed.)

Corey, G., Corey, M. S., & Haynes, R. (2006). Student workbook for groups in action: Evolution and challenges. Thomson Brooks/Cole.

Cita Chicago (17th ed.)

Corey, Gerald, Marianne Schneider Corey, i Robert Haynes. Student Workbook for Groups in Action: Evolution and Challenges. Belmont, Calif: Thomson Brooks/Cole, 2006.

Cita MLA (9th ed.)

Corey, Gerald, et al. Student Workbook for Groups in Action: Evolution and Challenges. Thomson Brooks/Cole, 2006.