Deismireacht APA

Cook, R. A., & Cook, G. O. (2011). Guide to business etiquette. Boston: Prentice Hall.

Trích dẫn kiểu Chicago

Cook, Roy A., và Gwen O. Cook. Guide to Business Etiquette. Boston: Prentice Hall, 2011.

Deismireacht MLA

Cook, Roy A., và Gwen O. Cook. Guide to Business Etiquette. Boston: Prentice Hall, 2011.

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