Rietmann, K. (1985). Language from nine to five: Developing business communication skills. Prentice-Hall.
Čikaški stil citiranja (17. izdanje)Rietmann, Kearney. Language from Nine to Five: Developing Business Communication Skills. Englewood Cliffs, N. J: Prentice-Hall, 1985.
MLA način citiranja (9. izdanje)Rietmann, Kearney. Language from Nine to Five: Developing Business Communication Skills. Prentice-Hall, 1985.
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