Gaya APA

DiPrima, R, C., Boyce, W, E. (1986). Elementary Diffirential Equations And Boundary Value Problems . USA: John Wiley & Sons.

Gaya MLA

DiPrima, Richard, C.., Boyce, William, E.. "Elementary Diffirential Equations And Boundary Value Problems". USA: John Wiley & Sons, 1986. Text.