Shurter, R. L. (1971). Written communication in business (3rd ed.). McGraw-Hill.
Styl cytowania ChicagoShurter, Robert L. Written Communication in Business. 3rd ed. Tokyo: McGraw-Hill, 1971.
Styl cytowania MLAShurter, Robert L. Written Communication in Business. 3rd ed. McGraw-Hill, 1971.
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