Richards, D. (1994). Business telephoning in praetice. Hong KongThe: Language Key Ltd.
シカゴスタイル引用形Richards, David. Business Telephoning in Praetice. Hong KongThe: Language Key Ltd, 1994.
MLA引用形式Richards, David. Business Telephoning in Praetice. Hong KongThe: Language Key Ltd, 1994.
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