Martan, E. (1967). The Unions: Stucture, development, and management.
Cita Chicago (17th ed.)Martan, Estey. The Unions: Stucture, Development, and Management. New york, 1967.
Cita MLA (9th ed.)Martan, Estey. The Unions: Stucture, Development, and Management. 1967.
Atenció: Aquestes cites poden no estar 100% correctes.