United States & Smith, J. E. (1993). West's internal revenue code of 1986 and treasury regulations: Annotated and selected (1994 ed.). West Pub.
Cita Chicago (17th ed.)United States i James E. Smith. West's Internal Revenue Code of 1986 and Treasury Regulations: Annotated and Selected. 1994 ed. Minneapolis: West Pub, 1993.
Cita MLA (9th ed.)United States i James E. Smith. West's Internal Revenue Code of 1986 and Treasury Regulations: Annotated and Selected. 1994 ed. West Pub, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.