(2001). Philippine yearbook 2001. National Statistical Office.
Chicagoスタイル(17版)引用形式Philippine Yearbook 2001. Manila: National Statistical Office, 2001.
MLA(9版)引用形式Philippine Yearbook 2001. National Statistical Office, 2001.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式