Gaya APA

Katz, H, C. et al (2008). An introduction to collective bargaining and industrial relations (Ed.4 International Edition). New York: McGraw-Hill Irwin.

Gaya MLA

Katz, Harry, C.. et al. "An introduction to collective bargaining and industrial relations". Ed.4 International Edition New York: McGraw-Hill Irwin, 2008. Text.