Travel and tourism under pandemic conditions second review and preparation exercise Nassau, The Bahamas, & World Tourism Organization. (2009). Travel and tourism under pandemic conditions: Second review and preparation exercise : Nassau, The Bahamas, 16-17 September 2009. World Tourism Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)Travel and tourism under pandemic conditions second review and preparation exercise Nassau, The Bahamas, και World Tourism Organization. Travel and Tourism Under Pandemic Conditions: Second Review and Preparation Exercise : Nassau, The Bahamas, 16-17 September 2009. Madrid, Spain: World Tourism Organization, 2009.
Παραπομπή σε μορφή MLA (9th εκδ.)Travel and tourism under pandemic conditions second review and preparation exercise Nassau, The Bahamas, και World Tourism Organization. Travel and Tourism Under Pandemic Conditions: Second Review and Preparation Exercise : Nassau, The Bahamas, 16-17 September 2009. World Tourism Organization, 2009.