Varberg, D., & Fleming, W. (1991). Applied calculus for management, social, and life sciences (Instructor's ed.). Prentice Hall.
Chicago Style (17. basım) AtıfVarberg, Dale, ve Walter Fleming. Applied Calculus for Management, Social, and Life Sciences. Instructor's ed. Englewood Cliffs: Prentice Hall, 1991.
MLA (9th ed.) AtıfVarberg, Dale, ve Walter Fleming. Applied Calculus for Management, Social, and Life Sciences. Instructor's ed. Prentice Hall, 1991.
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