APA-viite (7. p.)

Johnson, D. W., & Johnson, F. P. (1991). Joining together: A group theory and group skills (4th ed.). Prentice Hall.

Chicago-viite (17. p.)

Johnson, David W., ja Frank P. Johnson. Joining Together: A Group Theory and Group Skills. 4th ed. Englewood Cliffs, N.J: Prentice Hall, 1991.

MLA-viite (9. p.)

Johnson, David W., ja Frank P. Johnson. Joining Together: A Group Theory and Group Skills. 4th ed. Prentice Hall, 1991.