Hrbacek, k. (1984). Introduction to set theory. Marcel Dekker.
Chicago Style aipamenaHrbacek, karel. Introduction to Set Theory. New York: Marcel Dekker, 1984.
MLA aipamenaHrbacek, karel. Introduction to Set Theory. Marcel Dekker, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.