Citace podle APA (7th ed.)
Johnson, D. W., & Johnson, F. P. (1987). Joining together: Group theory and group skills (3rd ed.). Prentice-Hall International, Inc..
Citace podle Chicago (17th ed.)
Johnson, David W., a Frank P. Johnson. Joining Together: Group Theory and Group Skills. 3rd ed. New Jersey: Prentice-Hall International, Inc., 1987.
Citace podle MLA (9th ed.)
Johnson, David W., a Frank P. Johnson. Joining Together: Group Theory and Group Skills. 3rd ed. Prentice-Hall International, Inc., 1987.
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