Lapp, J. A. (1946). How to handle labor grievances: Plans and procedures. National Foreman's Institute.
Chicago-viite (17. p.)Lapp, John Augustus. How to Handle Labor Grievances: Plans and Procedures. New York: National Foreman's Institute, 1946.
MLA-viite (9. p.)Lapp, John Augustus. How to Handle Labor Grievances: Plans and Procedures. National Foreman's Institute, 1946.
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