Gaya APA

DiPrima, W, E, B, R, C. (2005). Elementary Differential Equations and Boundary Value Problems . New Jersey: John Wiley & Sons, Inc..

Gaya MLA

DiPrima, William, E, Boyce, Richard, C. "Elementary Differential Equations and Boundary Value Problems". New Jersey: John Wiley & Sons, Inc., 2005. .