Locker, K. O. (2007). Business Communicationbuilding critical skillsKitty O. Locker and Stephen Kyo Kaczmarek. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Locker, Kitty O. Business Communicationbuilding Critical SkillsKitty O. Locker and Stephen Kyo Kaczmarek. McGraw-Hill, 2007.
MLA način citiranja (8. izdanje)Locker, Kitty O. Business Communicationbuilding Critical SkillsKitty O. Locker and Stephen Kyo Kaczmarek. McGraw-Hill, 2007.
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