(1992). Webster's 21st century: Complete guide to speech, style and grammar. T. Nelson.
芝加哥风格引文Webster's 21st Century: Complete Guide to Speech, Style and Grammar. Nashville: T. Nelson, 1992.
MLA引文Webster's 21st Century: Complete Guide to Speech, Style and Grammar. T. Nelson, 1992.
警告：这些引文格式不一定是100％准确.