APA-čujuhus (7. p.)
Dubofsky, M., & Dulles, F. R. (2010). Labor in America: A history (Eighth edition.). Harlan Davidson, Inc..
Chicago-čujuhus (17. p.)
Dubofsky, Melvyn, juo Foster Rhea Dulles. Labor in America: A History. Eighth edition. Wheeling, Illinois: Harlan Davidson, Inc., 2010.
MLA-čujuhus (9. p.)
Dubofsky, Melvyn, juo Foster Rhea Dulles. Labor in America: A History. Eighth edition. Harlan Davidson, Inc., 2010.
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