Citazione Stile APA (7a Edizione)
(1981). Characteristics of major collective bargaining agreements, January 1, 1980. U.S. Department of Labor.
Citazione stile Chigago Style (17a edizione)
Characteristics of Major Collective Bargaining Agreements, January 1, 1980. Washington: U.S. Department of Labor, 1981.
Citatione MLA (9a ed.)
Characteristics of Major Collective Bargaining Agreements, January 1, 1980. U.S. Department of Labor, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.