Phillips, H. U. (1957). Essentials of social group work skill. Association Press.
Chicagoスタイル(17版)引用形式Phillips, Helen Upson. Essentials of Social Group Work Skill. New York: Association Press, 1957.
MLA(9版)引用形式Phillips, Helen Upson. Essentials of Social Group Work Skill. Association Press, 1957.
警告: この引用は必ずしも正確ではありません.