PARR WILLIAM M. (1984). EXCUTIVE`S GUIDE TO EFFECTIVE LETTERS & REPORTS. TARAPOREVALA PUBLICATIONS.
芝加哥风格引文PARR WILLIAM M. EXCUTIVE`S GUIDE TO EFFECTIVE LETTERS & REPORTS. BOMBAY: TARAPOREVALA PUBLICATIONS, 1984.
MLA引文PARR WILLIAM M. EXCUTIVE`S GUIDE TO EFFECTIVE LETTERS & REPORTS. TARAPOREVALA PUBLICATIONS, 1984.
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