Cita APA (7th ed.)

Tax Institute & Butters, J. K. (1952). Taxation and business concentration. s.n.

Cita Chicago (17th ed.)

Tax Institute i John Keith Butters. Taxation and Business Concentration. Princeton, N. J: s.n, 1952.

Cita MLA (9th ed.)

Tax Institute i John Keith Butters. Taxation and Business Concentration. s.n, 1952.