Gaya APA

Langtangen, H, P., Linge, S. (2017). Finite Difference Computing with PDEs (1st ed. 2017). : Springer International Publishing.

Gaya MLA

Langtangen, Hans, Petter., Linge, Svein. "Finite Difference Computing with PDEs". 1st ed. 2017 : Springer International Publishing, 2017. Electronic Resource.