APA aipamena

Johnson, D. W., & Johnson, F. P. (1994). Joining together: Group theory and group skills (5th ed.). Allyn and Bacon.

Chicago Style aipamena

Johnson, David W., and Frank P. Johnson. Joining Together: Group Theory and Group Skills. 5th ed. Boston: Allyn and Bacon, 1994.

MLA aipamena

Johnson, David W., and Frank P. Johnson. Joining Together: Group Theory and Group Skills. 5th ed. Allyn and Bacon, 1994.