APA (7th ed.) Citation

National Statistics Office. (2001). Procedural history. Volume 1, Preparatory, enumeration & evaluation. National Statistics Office.

Chicago Style (17th ed.) Citation

National Statistics Office. Procedural History. Volume 1, Preparatory, Enumeration & Evaluation. Manila: National Statistics Office, 2001.

MLA (9th ed.) Citation

National Statistics Office. Procedural History. Volume 1, Preparatory, Enumeration & Evaluation. National Statistics Office, 2001.

Warning: These citations may not always be 100% accurate.