National Statistical Information Center. (2000). 2000 Philippine statistical yearbook. The National Statistical Information Center.
芝加哥风格引文National Statistical Information Center. 2000 Philippine Statistical Yearbook. Makati City: The National Statistical Information Center, 2000.
MLA引文National Statistical Information Center. 2000 Philippine Statistical Yearbook. The National Statistical Information Center, 2000.
警告：这些引文格式不一定是100％准确.