Philippines Department of Tourism. (2006). Davao Region situationer 2006. Department of Tourism Region XI.
Chicago-Zitierstil (17. Ausg.)Philippines Department of Tourism. Davao Region Situationer 2006. Davao City: Department of Tourism Region XI, 2006.
MLA-Zitierstil (9. Ausg.)Philippines Department of Tourism. Davao Region Situationer 2006. Department of Tourism Region XI, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.