TOTTIE, G. (2002). An introduction to American English. Blackwell.
芝加哥风格引文TOTTIE, Gunnel. An Introduction to American English. Massachusetts: Blackwell, 2002.
MLA引文TOTTIE, Gunnel. An Introduction to American English. Blackwell, 2002.
警告：这些引文格式不一定是100％准确.