Sandford, C., Godwin, M., Hardwick, P., & Collard, D. (1989). Administrative and compliance costs of taxation. Fiscal Publications.
Cita Chicago (17th ed.)Sandford, Cedric, Michael Godwin, Peter Hardwick, i David Collard. Administrative and Compliance Costs of Taxation. Great Britain (Fersfield Perrymead): Fiscal Publications, 1989.
Cita MLA (8th ed.)Sandford, Cedric, et al. Administrative and Compliance Costs of Taxation. Fiscal Publications, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.