Cysco, D. R. (1999). English Conversation ? Correspondence For Secretaries. Jakarta: Puspa Swara.
シカゴスタイル引用形Cysco, Dhonny R. English Conversation ? Correspondence For Secretaries. Jakarta: Puspa Swara, 1999.
MLA引用形式Cysco, Dhonny R. English Conversation ? Correspondence For Secretaries. Jakarta: Puspa Swara, 1999.
警告: この引用は必ずしも正確ではありません.