Gaya APA

Langtangen, H, P., Linge, S. (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. Ebook.