Sandford, C., Godwin, M., Hardwick, P., & Collard, D. (1989). Administrative and compliance costs of taxation. Fiscal Publications.
Chicago-referens (17:e uppl.)Sandford, Cedric, Michael Godwin, Peter Hardwick, och David Collard. Administrative and Compliance Costs of Taxation. Great Britain (Fersfield Perrymead): Fiscal Publications, 1989.
MLA-referens (8:e uppl.)Sandford, Cedric, et al. Administrative and Compliance Costs of Taxation. Fiscal Publications, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.