Bradley, P. D. (1956). Involuntary participation in unionism. American Enterprise Association.
Chicagoスタイル(17版)引用形式Bradley, Philip D. Involuntary Participation in Unionism. Washington: American Enterprise Association, 1956.
MLA(8版)引用形式Bradley, Philip D. Involuntary Participation in Unionism. American Enterprise Association, 1956.
警告: この引用は必ずしも正確ではありません.