APA (7th ed.) Zitazioa
Lieberman, G. M. (2013). Oblique derivative problems for elliptic equations. World Scientific.
Chicago Style (17th ed.) Zitazioa
Lieberman, Gary M. Oblique Derivative Problems for Elliptic Equations. Singapore: World Scientific, 2013.
MLA (9th ed.) Zitazioa
Lieberman, Gary M. Oblique Derivative Problems for Elliptic Equations. World Scientific, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.