Não informado. (1939). Supervision: The magazine of industrial relations and operating management. National Association of Foremen.
Style de citation Chicago (17e éd.)Não informado. Supervision: The Magazine of Industrial Relations and Operating Management. Burlington, Vt: National Association of Foremen, 1939.
Style de citation MLA (8e éd.)Não informado. Supervision: The Magazine of Industrial Relations and Operating Management. National Association of Foremen, 1939.
Attention : ces citations peuvent ne pas être correctes à 100%.