National Statistical Information Center. (2006). 2006 Philippine statistical yearbook. The National Statistical Information Center.
Chicagoスタイル(17版)引用形式National Statistical Information Center. 2006 Philippine Statistical Yearbook. Makati City: The National Statistical Information Center, 2006.
MLA(9版)引用形式National Statistical Information Center. 2006 Philippine Statistical Yearbook. The National Statistical Information Center, 2006.
警告: この引用は必ずしも正確ではありません.