APA引文

Wellington, P. (1995). Shaping up your English. Allyn & Bacon.

芝加哥风格引文

Wellington, Pat. Shaping Up Your English. Boston: Allyn & Bacon, 1995.

MLA引文

Wellington, Pat. Shaping Up Your English. Allyn & Bacon, 1995.

警告：这些引文格式不一定是100％准确.