Philippines Department of Tourism Western Regional Tourism Center. (1999). Tourism situation report 1999-2000: Western Visayas. Department of Tourism.
Chicago-referens (17:e uppl.)Philippines Department of Tourism Western Regional Tourism Center. Tourism Situation Report 1999-2000: Western Visayas. Iloilo City: Department of Tourism, 1999.
MLA-referens (9:e uppl.)Philippines Department of Tourism Western Regional Tourism Center. Tourism Situation Report 1999-2000: Western Visayas. Department of Tourism, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.