APA-viite (7. p.)

Johnson, D. W., & Johnson, F. P. (2009). Joining together: Group theory and group skills (10th ed.). Pearson Education.

Chicago-viite (17. p.)

Johnson, David W., ja Frank Pierce Johnson. Joining Together: Group Theory and Group Skills. 10th ed. Upper Saddle River, N.J: Pearson Education, 2009.

MLA-viite (9. p.)

Johnson, David W., ja Frank Pierce Johnson. Joining Together: Group Theory and Group Skills. 10th ed. Pearson Education, 2009.