APA Style

Day, G, S. et al (1997). Wharton on dynamic competitive strategy / George S. Day, David J. Reibstein and Robert E. Gunther (1). New Jersey: John Wiley & Sons.

MLA Style

Day, George, S.. et al. "Wharton on dynamic competitive strategy / George S. Day, David J. Reibstein and Robert E. Gunther". 1 New Jersey: John Wiley & Sons, 1997. Textbook ห้องสมุดทั่วไป.