Jill Hadfield. (1999). Beginners' communication games. London: Longman.
シカゴスタイル引用形Jill Hadfield. Beginners' Communication Games. London: Longman, 1999.
MLA引用形式Jill Hadfield. Beginners' Communication Games. London: Longman, 1999.
警告: この引用は必ずしも正確ではありません.