Παραπομπή σε μορφή APA (7η εκδ.)

World Tourism Organization. (1999). Guide for local authorities on developing sustainable tourism. Supplementary volume on Asia & the Pacific. World Tourism Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Tourism Organization. Guide for Local Authorities on Developing Sustainable Tourism. Supplementary Volume on Asia & the Pacific. Madrid: World Tourism Organization, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Tourism Organization. Guide for Local Authorities on Developing Sustainable Tourism. Supplementary Volume on Asia & the Pacific. World Tourism Organization, 1999.