Dyfyniad APA
Block, R. N., Roberts, K., & Clarke, R. O. (2003). Labor standards in the United States and Canada. W.E. Upjohn Institute for Employment Research.
Dyfyniad Arddull Chicago
Block, Richard N., Karen Roberts, and Ronald O. Clarke. Labor Standards in the United States and Canada. Kalamazoo, Mich.: W.E. Upjohn Institute for Employment Research, 2003.
Dyfyniad MLA
Block, Richard N., et al. Labor Standards in the United States and Canada. W.E. Upjohn Institute for Employment Research, 2003.
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