Gaya APA

Barnett, R, A., Ziegler, M, R. (2001). Precalculus: functions and graphs (5nd ed.). New York: McGraw-Hill Book.

Gaya MLA

Barnett, Raymond, A.., Ziegler, Michael, R.. "Precalculus: functions and graphs". 5nd ed. New York: McGraw-Hill Book, 2001. Printed Book.