Bond, A., & Schuman, N. (2010). 300+ successful business letters for all occasions (3rd ed.). Barrons Educational Series, Inc..
Citace podle Chicago (17th ed.)Bond, Alan, a Nancy Schuman. 300+ Successful Business Letters for All Occasions. 3rd ed. Hauppauge, NY: Barrons Educational Series, Inc., 2010.
Citace podle MLA (9th ed.)Bond, Alan, a Nancy Schuman. 300+ Successful Business Letters for All Occasions. 3rd ed. Barrons Educational Series, Inc., 2010.
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