Pamukkale (Hierapolis) preservation and development plan : and the international workshop on Pamukkale ; 30 June - 3 July 1991 Pamukkale - Denizli. (Dönmez Offset, 1992)
At head of t.p.: Republic of Turkey, Governship of Denizli ; Republic of Turkey, Ministry of Culture, General Directorate for the Preservation of the Cultural and Natural Heritage ; UNESCO.