Philippines. National Statistics Office. (2007). 2007 Philippine yearbook. National Statistics Office.
芝加哥风格引文Philippines. National Statistics Office. 2007 Philippine Yearbook. Manila: National Statistics Office, 2007.
MLA引文Philippines. National Statistics Office. 2007 Philippine Yearbook. National Statistics Office, 2007.
警告：这些引文格式不一定是100％准确.