Tohutoro APA (7th ed.)
(2017). Helvering, Commissioner of Internal Revenue, et al. v. Davis. Great Neck Publishing.
Tohutoru Kātū Chicago (17th ed.)
Helvering, Commissioner of Internal Revenue, Et Al. V. Davis. Great Neck Publishing, 2017.
Tohutoro MLA (9th ed.)
Helvering, Commissioner of Internal Revenue, Et Al. V. Davis. Great Neck Publishing, 2017.
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