APA aipamena

National Statistical Information Center. (2009). 2009 Philippine statistical yearbook. The National Statistical Information Center.

Chicago Style aipamena

National Statistical Information Center. 2009 Philippine Statistical Yearbook. Makati City: The National Statistical Information Center, 2009.

MLA aipamena

National Statistical Information Center. 2009 Philippine Statistical Yearbook. The National Statistical Information Center, 2009.