Philippines Department of Tourism. (2006). Davao Region situationer 2006. Department of Tourism Region XI.
Citazione stile Chigago Style (17a edizione)Philippines Department of Tourism. Davao Region Situationer 2006. Davao City: Department of Tourism Region XI, 2006.
Citatione MLA (9a ed.)Philippines Department of Tourism. Davao Region Situationer 2006. Department of Tourism Region XI, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.