APA استشهاد

Cespedes, F. V. Concurrent Marketing: Integrating product, sales and services. Harvard Business School Press.

استشهاد بنمط شيكاغو

Cespedes, Frank V. Concurrent Marketing: Integrating Product, Sales and Services. Boston: Harvard Business School Press.

MLA استشهاد

Cespedes, Frank V. Concurrent Marketing: Integrating Product, Sales and Services. Harvard Business School Press.