Cespedes, F. V. Concurrent Marketing: Integrating product, sales and services. Harvard Business School Press.
Trích dẫn kiểu ChicagoCespedes, Frank V. Concurrent Marketing: Integrating Product, Sales and Services. Boston: Harvard Business School Press.
Trích dẫn MLACespedes, Frank V. Concurrent Marketing: Integrating Product, Sales and Services. Harvard Business School Press.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.