Gaya APA

Hilgert, S, H, S, R, L. (1989). Cases in Collective Bargaining and Industrial Relations (ed.6). Baston: Irwin.

Gaya MLA

Hilgert, Steling, H., Schoen,, Rayond, L.. "Cases in Collective Bargaining and Industrial Relations". ed.6 Baston: Irwin, 1989. Text.