SPILKER, B., AYERS, B., & ROBINSON, J. (2013). Mc Graw-Hill's taxation of business entities. McGraw-Hill Book Company.
Lua i Stíl Chicago (17ú heag.)SPILKER, Brian, Ben AYERS, agus John ROBINSON. Mc Graw-Hill's Taxation of Business Entities. McGraw-Hill Book Company, 2013.
Lua MLA (9ú heag.)SPILKER, Brian, et al. Mc Graw-Hill's Taxation of Business Entities. McGraw-Hill Book Company, 2013.
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