Παραπομπή APA

Hooley, G. J., & Savnders, J. (1993). Competitive Positioning: The key to market success. Prentic hall.

Παραπομπή Chicago Style

Hooley, Graham J., και John Savnders. Competitive Positioning: The Key to Market Success. New York: Prentic hall, 1993.

Παραπομπή MLA

Hooley, Graham J., και John Savnders. Competitive Positioning: The Key to Market Success. Prentic hall, 1993.