APA aipamena

Oster,Sharon M. (1999). Modern competitive analysis (3rd ed.). Oxford University Press.

Chicago Style aipamena

Oster,Sharon M. Modern Competitive Analysis. 3rd ed. New York: Oxford University Press, 1999.

MLA aipamena

Oster,Sharon M. Modern Competitive Analysis. 3rd ed. Oxford University Press, 1999.