APA aipamena

National Statistical Information Center. (2006). 2006 Philippine statistical yearbook. The National Statistical Information Center.

Chicago Style aipamena

National Statistical Information Center. 2006 Philippine Statistical Yearbook. Makati City: The National Statistical Information Center, 2006.

MLA aipamena

National Statistical Information Center. 2006 Philippine Statistical Yearbook. The National Statistical Information Center, 2006.