Ireland,Norman J. (1987). Product differentiation and non-price competition. Basil Blackwell.
Stile di citazione ChicagoIreland,Norman J. Product Differentiation and Non-price Competition. New York: Basil Blackwell, 1987.
Citazione MLAIreland,Norman J. Product Differentiation and Non-price Competition. Basil Blackwell, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.