engert, m. (1964). structural problems of industry. the institute of national planning.
Cita Chicago Style (17a ed.)engert, m. Structural Problems of Industry. cairo: the institute of national planning, 1964.
Cita MLA (9a ed.)engert, m. Structural Problems of Industry. the institute of national planning, 1964.
Precaución: Estas citas no son 100% exactas.