Johnson, D. W., & Johnson, F. P. (1991). Joining together: Group theory and group skills (4th ed.). Prentice-Hall.
Chicagoスタイル(17版)引用形式Johnson, David W., , Frank P. Johnson. Joining Together: Group Theory and Group Skills. 4th ed. Englewood Cliffs, N.J.: Prentice-Hall, 1991.
MLA(9版)引用形式Johnson, David W., , Frank P. Johnson. Joining Together: Group Theory and Group Skills. 4th ed. Prentice-Hall, 1991.
警告: この引用は必ずしも正確ではありません.