Asian Development Bank. (2021). Sustainable tourism after COVID-19: Insights and recommendations for Asia and the Pacific. Asian Development Bank.
Chicago-referens (17:e uppl.)Asian Development Bank. Sustainable Tourism After COVID-19: Insights and Recommendations for Asia and the Pacific. Manila, Philippines: Asian Development Bank, 2021.
MLA-referens (9:e uppl.)Asian Development Bank. Sustainable Tourism After COVID-19: Insights and Recommendations for Asia and the Pacific. Asian Development Bank, 2021.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.