Barbash, J. (1952). Unions and telephones: The story of the Communications Workers of America. Harper.
Citazione stile Chigago Style (17a edizione)Barbash, Jack. Unions and Telephones: The Story of the Communications Workers of America. New York: Harper, 1952.
Citatione MLA (9a ed.)Barbash, Jack. Unions and Telephones: The Story of the Communications Workers of America. Harper, 1952.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.