Ireland,Norman J. (1987). Product differentiation and non-price competition. Basil Blackwell.
Citación estilo ChicagoIreland,Norman J. Product Differentiation and Non-price Competition. New York: Basil Blackwell, 1987.
Cita MLAIreland,Norman J. Product Differentiation and Non-price Competition. Basil Blackwell, 1987.
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