APA استشهاد

Edwards, C., & Penney, D. E. (1996). Differential equations and boundary value problems: Computing and modeling. PHI.

استشهاد بنمط شيكاغو

Edwards, C.H, و David E. Penney. Differential Equations and Boundary Value Problems: Computing and Modeling. New Jersey: PHI, 1996.

MLA استشهاد

Edwards, C.H, و David E. Penney. Differential Equations and Boundary Value Problems: Computing and Modeling. PHI, 1996.