Dyfyniad APA

Oster, S. M. (1994). Modern competitive analysis (2nd ed.). University press.

Dyfyniad Arddull Chicago

Oster, Sharon M. Modern Competitive Analysis. 2nd ed. New York: University press, 1994.

Dyfyniad MLA

Oster, Sharon M. Modern Competitive Analysis. 2nd ed. University press, 1994.

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