Παραπομπή APA

Day, G. S., Reibstein, D. J., & Gunther, R. E. (1997). Wharton on dynamic competitive strategy. John Wiley & Sons.

Παραπομπή Chicago Style

Day, George S., David J. Reibstein, και Robert E. Gunther. Wharton on Dynamic Competitive Strategy. New York: John Wiley & Sons, 1997.

Παραπομπή MLA

Day, George S., et al. Wharton on Dynamic Competitive Strategy. John Wiley & Sons, 1997.