Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.