Cleaves, C., & Hobbs, M. (1996). Business math (4th ed.). Prentice-Hall.
Čikaški stil citiranja (17. izdanje)Cleaves, Cheryl, i Margie Hobbs. Business Math. 4th ed. Upper Saddle River, N.J: Prentice-Hall, 1996.
MLA način citiranja (9. izdanje)Cleaves, Cheryl, i Margie Hobbs. Business Math. 4th ed. Prentice-Hall, 1996.
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