Gaya APA

Gustafsson, B. et al (1995). Time dependent problems and difference methods / Bertil Gustafsson, Heinz-Otto Kreiss, Joseph Oliger . New York: John Wiley n Sons.

Gaya MLA

Gustafsson, Bertil. et al. "Time dependent problems and difference methods / Bertil Gustafsson, Heinz-Otto Kreiss, Joseph Oliger". New York: John Wiley n Sons, 1995. Textbook.