(2000). Provincial physical framework plan: Comprehensive provincial land use plan, province of Apayao, planning period 1996-2002. Province of Apayao Provincial Development Council.
Chicago-Zitierstil (17. Ausg.)Provincial Physical Framework Plan: Comprehensive Provincial Land Use Plan, Province of Apayao, Planning Period 1996-2002. Apayao: Province of Apayao Provincial Development Council, 2000.
MLA-Zitierstil (9. Ausg.)Provincial Physical Framework Plan: Comprehensive Provincial Land Use Plan, Province of Apayao, Planning Period 1996-2002. Province of Apayao Provincial Development Council, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.