Richards, J. C. (2006). Person to person: Communicative speaking and listening skills (3rd ed.). Oxford.
Chicagoスタイル(17版)引用形式Richards, Jack C. Person to Person: Communicative Speaking and Listening Skills. 3rd ed. New York: Oxford, 2006.
MLA(8版)引用形式Richards, Jack C. Person to Person: Communicative Speaking and Listening Skills. 3rd ed. Oxford, 2006.
警告: この引用は必ずしも正確ではありません.