ebrary, Inc, & Apperton, C. B. (2009). Estate and gift taxes. Nova Science Publishers.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, i Clay B. Apperton. Estate and Gift Taxes. New York: Nova Science Publishers, 2009.
MLA način citiranja (9. izdanje)ebrary, Inc, i Clay B. Apperton. Estate and Gift Taxes. Nova Science Publishers, 2009.
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