Halsbury's. (1975). Halsbury's Laws of England Custom and Usage, Customstand Excise. Butterworths & Co.
Cita Chicago (17th ed.)Halsbury's. Halsbury's Laws of England Custom and Usage, Customstand Excise. London: Butterworths & Co, 1975.
Cita MLA (9th ed.)Halsbury's. Halsbury's Laws of England Custom and Usage, Customstand Excise. Butterworths & Co, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.