Hermosisima, C. (1982). Effective business communication. National Book Store.
Čikaški stil citiranja (17. izdanje)Hermosisima, Cynthia. Effective Business Communication. Manila: National Book Store, 1982.
MLA način citiranja (9. izdanje)Hermosisima, Cynthia. Effective Business Communication. National Book Store, 1982.
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