Cespedes, F. V. Concurrent Marketing: Integrating product, sales and services. Harvard Business School Press.
Chicago-стиль цитированияCespedes, Frank V. Concurrent Marketing: Integrating Product, Sales and Services. Boston: Harvard Business School Press.
MLA-цитированиеCespedes, Frank V. Concurrent Marketing: Integrating Product, Sales and Services. Harvard Business School Press.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.