Gaya APA

Celia, M, A., Gray, W, G. (1992). Numerical methods for differential equations : fundamental conceps for scientific and engineering applications . Englewood Cliffs, NJ: Prentice Hall.

Gaya MLA

Celia, Michael, A.., Gray, William, G.. "Numerical methods for differential equations : fundamental conceps for scientific and engineering applications". Englewood Cliffs, NJ: Prentice Hall, 1992. Text.