APA (7e ed.) Bronvermelding

Varberg, D., & Fleming, W. (1991). Applied calculus for management, social, and life sciences (Instructor's ed.). Prentice Hall.

Chicago (17e ed.) Bronvermelding

Varberg, Dale, en Walter Fleming. Applied Calculus for Management, Social, and Life Sciences. Instructor's ed. Englewood Cliffs: Prentice Hall, 1991.

MLA (9e ed.) Bronvermelding

Varberg, Dale, en Walter Fleming. Applied Calculus for Management, Social, and Life Sciences. Instructor's ed. Prentice Hall, 1991.