Cita APA (7a ed.)

Beal, E. F., & Wickersham, E. (1967). The Practice of collective bargaining. Richard D. Irwin.

Cita Chicago Style (17a ed.)

Beal, Edwin F., y Edward Wickersham. The Practice of Collective Bargaining. Richard D. Irwin, 1967.

Cita MLA (8a ed.)

Beal, Edwin F., y Edward Wickersham. The Practice of Collective Bargaining. Richard D. Irwin, 1967.