Παραπομπή APA

Rowan, R. L., & Northrup, H. R. (1968). Readings in labour economics and labour relations. Richard.D.Irwin.

Παραπομπή Chicago Style

Rowan, Richard L., και Herbert R. Northrup. Readings in Labour Economics and Labour Relations. Illinois: Richard.D.Irwin, 1968.

Παραπομπή MLA

Rowan, Richard L., και Herbert R. Northrup. Readings in Labour Economics and Labour Relations. Richard.D.Irwin, 1968.