Rybold, G. (2006). Speaking, listening and understanding: Debate for non-native-English speakers. International Debate Education Association.
芝加哥风格引文Rybold, Gary. Speaking, Listening and Understanding: Debate for Non-native-English Speakers. New York, NY: International Debate Education Association, 2006.
MLA引文Rybold, Gary. Speaking, Listening and Understanding: Debate for Non-native-English Speakers. International Debate Education Association, 2006.
警告：这些引文格式不一定是100％准确.