International Water Supply Congress Budapest. (1994). 19th International Water Supply Congress and Exhibition: Budapest 2 - 8 October 1993. Blackwell Scientific.
Chicago-Zitierstil (17. Ausg.)International Water Supply Congress Budapest. 19th International Water Supply Congress and Exhibition: Budapest 2 - 8 October 1993. Oxford [u.a.]: Blackwell Scientific, 1994.
MLA-Zitierstil (9. Ausg.)International Water Supply Congress Budapest. 19th International Water Supply Congress and Exhibition: Budapest 2 - 8 October 1993. Blackwell Scientific, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.