National Statistical Information Center. (2006). 2006 Philippine statistical yearbook. The National Statistical Information Center.
Citación estilo ChicagoNational Statistical Information Center. 2006 Philippine Statistical Yearbook. Makati City: The National Statistical Information Center, 2006.
Cita MLANational Statistical Information Center. 2006 Philippine Statistical Yearbook. The National Statistical Information Center, 2006.
Warning: These citations may not always be 100% accurate.