Cita APA (7a ed.)
Aspen Law & Business (Firm). (1996). The federal tax course letter. Aspen Law & Business.
Cita Chicago Style (17a ed.)
Aspen Law & Business (Firm). The Federal Tax Course Letter. Englewood Cliffs, NJ: Aspen Law & Business, 1996.
Cita MLA (9a ed.)
Aspen Law & Business (Firm). The Federal Tax Course Letter. Aspen Law & Business, 1996.
Precaución: Estas citas no son 100% exactas.