Johnson, D. W., & Johnson, F. P. (1994). Joining together: Group theory and group skills (5th ed.). Allyn and Bacon.
Chicagoスタイル(17版)引用形式Johnson, David W., , Frank Pierce Johnson. Joining Together: Group Theory and Group Skills. 5th ed. Boston: Allyn and Bacon, 1994.
MLA(9版)引用形式Johnson, David W., , Frank Pierce Johnson. Joining Together: Group Theory and Group Skills. 5th ed. Allyn and Bacon, 1994.
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