Rauwendaal, C. (1998). Understanding extrusion. Hanser.
Chicago Style aipamenaRauwendaal, Chris. Understanding Extrusion. Munich: Hanser, 1998.
MLA aipamenaRauwendaal, Chris. Understanding Extrusion. Hanser, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.