(2000). Provincial physical framework plan: Comprehensive provincial land use plan, province of Apayao, planning period 1996-2002. Province of Apayao Provincial Development Council.
芝加哥风格引文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引文Provincial Physical Framework Plan: Comprehensive Provincial Land Use Plan, Province of Apayao, Planning Period 1996-2002. Province of Apayao Provincial Development Council, 2000.
警告：这些引文格式不一定是100％准确.