Oster, S. M. (1994). Modern competitive analysis (2nd ed.). University press.
Chicago Edition CitationOster, Sharon M. Modern Competitive Analysis. 2nd ed. New York: University press, 1994.
ציטוט MLAOster, Sharon M. Modern Competitive Analysis. 2nd ed. University press, 1994.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.