Abdel-Wahab, A. R. (1972). Tax policy and problems in a developing economy: A case study of Sudan. s.n.
Cita Chicago (17th ed.)Abdel-Wahab, Abdel Rahman. Tax Policy and Problems in a Developing Economy: A Case Study of Sudan. Urbana, Ill: s.n, 1972.
Cita MLA (9th ed.)Abdel-Wahab, Abdel Rahman. Tax Policy and Problems in a Developing Economy: A Case Study of Sudan. s.n, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.