Hayes, D. (1998). Effective verbal communication. London: Hodder and Stoughton.
シカゴスタイル引用形Hayes, Denis. Effective Verbal Communication. London: Hodder and Stoughton, 1998.
MLA引用形式Hayes, Denis. Effective Verbal Communication. London: Hodder and Stoughton, 1998.
警告: この引用は必ずしも正確ではありません.