APA استشهاد

Beal, E. F., & Wickersham, E. D. K. (1976). Practice of collective bargaining (5th ed.). Richard D. Irwin.

استشهاد بنمط شيكاغو

Beal, Edwin F., و Edward D. Kienast Wickersham. Practice of Collective Bargaining. 5th ed. Illinois: Richard D. Irwin, 1976.

MLA استشهاد

Beal, Edwin F., و Edward D. Kienast Wickersham. Practice of Collective Bargaining. 5th ed. Richard D. Irwin, 1976.