ebrary, Inc, & Apperton, C. B. (2009). Estate and gift taxes. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioaebrary, Inc, eta Clay B. Apperton. Estate and Gift Taxes. New York: Nova Science Publishers, 2009.
MLA (9th ed.) Zitazioaebrary, Inc, eta Clay B. Apperton. Estate and Gift Taxes. Nova Science Publishers, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.