Citazione Stile APA (7a Edizione)

Princeton University. Industrial Relations Section & Lester, R. A. 1. (1954). Hiring practices and labor competition. s.n.

Citazione stile Chigago Style (17a edizione)

Princeton University. Industrial Relations Section e Richard Allen 1908 Lester. Hiring Practices and Labor Competition. Princeton: s.n, 1954.

Citatione MLA (9a ed.)

Princeton University. Industrial Relations Section e Richard Allen 1908 Lester. Hiring Practices and Labor Competition. s.n, 1954.