SAVILLE JENNY. (1992). BUSINESS LETTER WRITER. COMPETITION REVIEW PVT. LTD.
芝加哥风格引文SAVILLE JENNY. BUSINESS LETTER WRITER. NEW DELHI: COMPETITION REVIEW PVT. LTD, 1992.
MLA引文SAVILLE JENNY. BUSINESS LETTER WRITER. COMPETITION REVIEW PVT. LTD, 1992.
警告：这些引文格式不一定是100％准确.