Philippines. National Statistics Office. (2007). Survey on overseas Filipinos, 2006: A report on the overseas Filipino workers. National Statistics Office.
Chicago-referens (17:e uppl.)Philippines. National Statistics Office. Survey on Overseas Filipinos, 2006: A Report on the Overseas Filipino Workers. Manila: National Statistics Office, 2007.
MLA-referens (9:e uppl.)Philippines. National Statistics Office. Survey on Overseas Filipinos, 2006: A Report on the Overseas Filipino Workers. National Statistics Office, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.