Woleram, W. (2006). American english: Dialects and variation. Blackwell.
芝加哥风格引文Woleram, Walt. American English: Dialects and Variation. Blackwell, 2006.
MLA引文Woleram, Walt. American English: Dialects and Variation. Blackwell, 2006.
警告：这些引文格式不一定是100％准确.