James C. Young; Annette Nellen; William A. Raabe. (2020). South-Western Federal Taxation 2021: Individual Income Taxes, 44th Edition (44th edition.). Cengage Learning.
Cita Chicago Style (17a ed.)James C. Young; Annette Nellen; William A. Raabe. South-Western Federal Taxation 2021: Individual Income Taxes, 44th Edition. 44th edition. United States of America: Cengage Learning, 2020.
Cita MLA (8a ed.)James C. Young; Annette Nellen; William A. Raabe. South-Western Federal Taxation 2021: Individual Income Taxes, 44th Edition. 44th edition. Cengage Learning, 2020.
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