Gaya APA

Boyce, W, E., DiPrima, R, C. (1965). Elementary Differential Equations and Boundary Value Problems (Ed. 1). U.S.A: Jhon Wiey & Sons, Inc.

Gaya MLA

Boyce, William, E.., DiPrima, Rhicard, C.. "Elementary Differential Equations and Boundary Value Problems". Ed. 1 U.S.A: Jhon Wiey & Sons, Inc, 1965. Text.