Campbell, G. M., & Dugger, J. (2002). Business letters for busy people: Time saving, ready-to-use letters for any occasion. Career Press.
Citace podle Chicago (17th ed.)Campbell, G. Michael, a Jim Dugger. Business Letters for Busy People: Time Saving, Ready-to-use Letters for Any Occasion. Franklin Lakes, NJ: Career Press, 2002.
Citace podle MLA (9th ed.)Campbell, G. Michael, a Jim Dugger. Business Letters for Busy People: Time Saving, Ready-to-use Letters for Any Occasion. Career Press, 2002.
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