National Industrial Conference Board. (1924). The tax problem in Wisconsin. s.n.
Cita Chicago (17th ed.)National Industrial Conference Board. The Tax Problem in Wisconsin. New York: s.n, 1924.
Cita MLA (9th ed.)National Industrial Conference Board. The Tax Problem in Wisconsin. s.n, 1924.
Atenció: Aquestes cites poden no estar 100% correctes.