Gaya APA

Barnett, R, A., Ziegler, M, R. (1999). Calculus : for business, economics, life sciences, and social sciences . New Jersey: Prentice-Hall, Inc..

Gaya MLA

Barnett, Raymond, A.., Ziegler, Michael, R.. "Calculus : for business, economics, life sciences, and social sciences". New Jersey: Prentice-Hall, Inc., 1999. Text.