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Lua i Stíl Chicago (17ú heag.)United States agus James E. Smith. West's Internal Revenue Code of 1986 and Treasury Regulations: Annotated and Selected. 1994 ed. Minneapolis: West Pub, 1993.
Lua MLA (9ú heag.)United States agus James E. Smith. West's Internal Revenue Code of 1986 and Treasury Regulations: Annotated and Selected. 1994 ed. West Pub, 1993.
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