BROCK SUSAN. (2004). BETTER BUSINESS WRITING: TECHNIQUES FOR IMPROVING. VIVA BOOKS PVT.LTD.
Chicagoスタイル(17版)引用形式BROCK SUSAN. BETTER BUSINESS WRITING: TECHNIQUES FOR IMPROVING. NEW DELHI: VIVA BOOKS PVT.LTD, 2004.
MLA(9版)引用形式BROCK SUSAN. BETTER BUSINESS WRITING: TECHNIQUES FOR IMPROVING. VIVA BOOKS PVT.LTD, 2004.
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