Varberg, D., & Fleming, W. (1991). Applied calculus for management, social, and life sciences (Instructor's ed.). Prentice Hall.
Cita Chicago (17th ed.)Varberg, Dale, i Walter Fleming. Applied Calculus for Management, Social, and Life Sciences. Instructor's ed. Englewood Cliffs: Prentice Hall, 1991.
Cita MLA (9th ed.)Varberg, Dale, i Walter Fleming. Applied Calculus for Management, Social, and Life Sciences. Instructor's ed. Prentice Hall, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.