Beal, E. F., & Wickersham, E. D. (1963). The practice of collective bargaining (Rev. ed.). Unwin.
Chicago Style aipamenaBeal, Edwin F., and Edward D. Wickersham. The Practice of Collective Bargaining. Rev. ed. Homewood, Ill.: Unwin, 1963.
MLA aipamenaBeal, Edwin F., and Edward D. Wickersham. The Practice of Collective Bargaining. Rev. ed. Unwin, 1963.
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