Seraydarian, P. E. (1994). Writing for business results: "Learn to improve your written communication". Jack Wilson and Associates.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Seraydarian, Patricia E. Writing for Business Results: "Learn to Improve Your Written Communication". Illonois, Chicago: Jack Wilson and Associates, 1994.
MLA -ийн эшлэл (9 дэх хэвлэлт)Seraydarian, Patricia E. Writing for Business Results: "Learn to Improve Your Written Communication". Jack Wilson and Associates, 1994.
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