APA
(2003). the definitive guide to managing the numbers. New York: Prentice Hall.
Chicago
2003. the definitive guide to managing the numbers. New York: Prentice Hall.
Harvard
(2003). the definitive guide to managing the numbers. New York: Prentice Hall.
MLA
the definitive guide to managing the numbers. New York: Prentice Hall. 2003.