Gaya APA

Hilgert, S, H, S, ;, R, L. (1989). Cases in collective bargaining and industrial relations: a decisional approach (ed. 6). America: Irwin.

Gaya MLA

Hilgert, Sterling, H., Schoen, ;, Raymond, L.. "Cases in collective bargaining and industrial relations: a decisional approach". ed. 6 America: Irwin, 1989. Text.