Rybold, G. (2006). Speaking, listening and understanding: Debate for non-native-English speakers. International Debate Education Association.
Chicagoスタイル(17版)引用形式Rybold, Gary. Speaking, Listening and Understanding: Debate for Non-native-English Speakers. New York, NY: International Debate Education Association, 2006.
MLA(9版)引用形式Rybold, Gary. Speaking, Listening and Understanding: Debate for Non-native-English Speakers. International Debate Education Association, 2006.
警告: この引用は必ずしも正確ではありません.