Klein, F. (1980). Famous problems and other monographs (23.).
Chicago Style aipamenaKlein, F. Famous Problems and Other Monographs. 23. AMS Chelsea Publishing Co., New York, 1980.
MLA aipamenaKlein, F. Famous Problems and Other Monographs. 23. 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.