APA ציטוט

MM. (1991). Essentials Of Business Communication / Mary Ellen Guffey. PWS-Kent Publishing.

Chicago Style (17th ed.) Citation

MM. Essentials Of Business Communication / Mary Ellen Guffey. PWS-Kent Publishing, 1991.

ציטוט MLA

MM. Essentials Of Business Communication / Mary Ellen Guffey. PWS-Kent Publishing, 1991.