Gaya APA

Petter, L., H., Svein, L. (2017). Finite difference computing with PDEs :a modern software approach . Cham, Switzerland: Springer Open.

Gaya MLA

Langtangen, Hans, Petter., Linge, Svein. "Finite difference computing with PDEs :a modern software approach". Cham, Switzerland: Springer Open, 2017. Electronic Resource.