Cespedes, F. V. Concurrent Marketing: Integrating product, sales and services. Harvard Business School Press.
Dyfyniad Arddull ChicagoCespedes, Frank V. Concurrent Marketing: Integrating Product, Sales and Services. Boston: Harvard Business School Press.
Dyfyniad MLACespedes, Frank V. Concurrent Marketing: Integrating Product, Sales and Services. Harvard Business School Press.
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