Császár, Á. (1985). Topology: [the Bolyai János Mathematical Society organized the fourth Colloquium on Topology in Budapest from 7th to 11th August 1978]. North-Holland Publ. Co.
Chicago-Zitierstil (17. Ausg.)Császár, Ákos. Topology: [the Bolyai János Mathematical Society Organized the Fourth Colloquium on Topology in Budapest from 7th to 11th August 1978]. Amsterdam [u.a.]: North-Holland Publ. Co, 1985.
MLA-Zitierstil (9. Ausg.)Császár, Ákos. Topology: [the Bolyai János Mathematical Society Organized the Fourth Colloquium on Topology in Budapest from 7th to 11th August 1978]. North-Holland Publ. Co, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.