World Tourism Organization. (2004). Rural tourism in Europe: experiences, development and perspectives: Belgrade (Serbia and Montenegro) 24 and 25 June 2002, Kielce (Poland) 6 and 7 June 2003, Yaremcha (Ukraine) 25 and 26 September 2003. World Tourism Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Tourism Organization. Rural Tourism in Europe: Experiences, Development and Perspectives: Belgrade (Serbia and Montenegro) 24 and 25 June 2002, Kielce (Poland) 6 and 7 June 2003, Yaremcha (Ukraine) 25 and 26 September 2003. [χ.τ.]: World Tourism Organization, 2004.
Παραπομπή σε μορφή MLA (9th εκδ.)World Tourism Organization. Rural Tourism in Europe: Experiences, Development and Perspectives: Belgrade (Serbia and Montenegro) 24 and 25 June 2002, Kielce (Poland) 6 and 7 June 2003, Yaremcha (Ukraine) 25 and 26 September 2003. World Tourism Organization, 2004.