APEC Tourism Working Group. (1998). The economic impact of travel and tourism development in the APEC region. APEC.
Citazione stile Chigago Style (17a edizione)APEC Tourism Working Group. The Economic Impact of Travel and Tourism Development in the APEC Region. Singapur: APEC, 1998.
Citatione MLA (9a ed.)APEC Tourism Working Group. The Economic Impact of Travel and Tourism Development in the APEC Region. APEC, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.