BUCK, C. J. (2012). 2012 CPC coding exam review: The certification step. St. Louis, Missouri.
Čikaški stil citiranja (17. izdanje)BUCK, Carol J. 2012 CPC Coding Exam Review: The Certification Step. St. Louis, Missouri, 2012.
MLA način citiranja (9. izdanje)BUCK, Carol J. 2012 CPC Coding Exam Review: The Certification Step. St. Louis, Missouri, 2012.
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