Gaya APA

Boyce, W, E., Diprima, R, C. (1977). Elementary Differential Equations and Boundary Value Problems (Ed. 3, Cet. 3). : John Wiley and Sons.

Gaya MLA

Boyce, William, E.., Diprima, Richard, C.. "Elementary Differential Equations and Boundary Value Problems". Ed. 3, Cet. 3 : John Wiley and Sons, 1977. Text.