Παραπομπή APA

Hildebrand,George H, & Wachter,Susan M. (1979). American unionism: An historical and analytical survey. Addison Wesley Publishing Company Inc.

Παραπομπή Chicago Style

Hildebrand,George H, και Wachter,Susan M. American Unionism: An Historical and Analytical Survey. London: Addison Wesley Publishing Company Inc, 1979.

Παραπομπή MLA

Hildebrand,George H, και Wachter,Susan M. American Unionism: An Historical and Analytical Survey. Addison Wesley Publishing Company Inc, 1979.