Rhys-Williams, L. (1953). Taxation and incentive: By Lady Rhys-Williams. --. Oxford University.
Cita Chicago (17th ed.)Rhys-Williams, Lady. Taxation and Incentive: By Lady Rhys-Williams. --. New York: Oxford University, 1953.
Cita MLA (9th ed.)Rhys-Williams, Lady. Taxation and Incentive: By Lady Rhys-Williams. --. Oxford University, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.