Citazione Stile APA (7a Edizione)

Bloom, G. F., & Northrup, H. R. (1981). Economics of labor relations (9th ed.). R.D. Irwin ; Irwin-Dorsey Ltd..

Citazione stile Chigago Style (17a edizione)

Bloom, Gordon F., e Herbert R. Northrup. Economics of Labor Relations. 9th ed. Homewood, Ill. : Georgetown, Ont.: R.D. Irwin ; Irwin-Dorsey Ltd., 1981.

Citatione MLA (8a ed.)

Bloom, Gordon F., e Herbert R. Northrup. Economics of Labor Relations. 9th ed. R.D. Irwin ; Irwin-Dorsey Ltd., 1981.