Houghton Mifflin. The Amerian Heritage dictionary of the english language (4a ed.).
芝加哥风格引文Houghton Mifflin. The Amerian Heritage Dictionary of the English Language. 4a ed.
MLA引文Houghton Mifflin. The Amerian Heritage Dictionary of the English Language. 4a ed.
警告：这些引文格式不一定是100％准确.