Arnold, V. I. (1991). The theory of singularities and its applications. PISA: Accademia Nazionale dei Lincei.
Chicago Style aipamenaArnold, V. I. The Theory of Singularities and Its Applications. PISA: Accademia Nazionale dei Lincei, 1991.
MLA aipamenaArnold, V. I. The Theory of Singularities and Its Applications. PISA: Accademia Nazionale dei Lincei, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.