Philippines. Department of Tourism. National Ecotourism Steering Committee Ecotourism Technical Working Group. (2002). National ecotourism strategy. DOT.
Chicago-Zitierstil (17. Ausg.)Philippines. Department of Tourism. National Ecotourism Steering Committee Ecotourism Technical Working Group. National Ecotourism Strategy. [Manila]: DOT, 2002.
MLA-Zitierstil (9. Ausg.)Philippines. Department of Tourism. National Ecotourism Steering Committee Ecotourism Technical Working Group. National Ecotourism Strategy. DOT, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.