Barth, P. S. 1. (1987). The tragedy of black lung: Federal compensation for occupational disease. W.E. Upjohn Institute for Employment Research.
Chicagoスタイル(17版)引用形式Barth, Peter S. 1937. The Tragedy of Black Lung: Federal Compensation for Occupational Disease. Kalamazoo, MI: W.E. Upjohn Institute for Employment Research, 1987.
MLA(9版)引用形式Barth, Peter S. 1937. The Tragedy of Black Lung: Federal Compensation for Occupational Disease. W.E. Upjohn Institute for Employment Research, 1987.
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