Kravtsov, Y. A. (1993). Caustics, catastrophes, and wave fields. Springer-Verlag.
Chicago Style aipamenaKravtsov, Yu. A. Caustics, Catastrophes, and Wave Fields. Berlin: Springer-Verlag, 1993.
MLA aipamenaKravtsov, Yu. A. Caustics, Catastrophes, and Wave Fields. Springer-Verlag, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.