APA (7th ed.) Zitazioa
Knopp, K. (1952). Elements of the theory of functions (1a.ed.). Dover publications.
Chicago Style (17th ed.) Zitazioa
Knopp, Konrad. Elements of the Theory of Functions. 1a.ed. New York: Dover publications, 1952.
MLA (9th ed.) Zitazioa
Knopp, Konrad. Elements of the Theory of Functions. 1a.ed. Dover publications, 1952.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.