Programmed guide to tax research / Don C.MaRed Sporthall, Kevin M. Misiewicz, James E. Parker.
- 4th ed.
- Boston, Mass. : PWS-Kent Pub. Co., c1989.
- x, 338 p. ; 24 cm.
0534917402
Taxation -- Law and legislation -- United States-- Legal research -- Programmed instruction.