Great Britain. Customs Establishment. Statistical Office & Great Britain. H.M. Customs and Excise. Statistical Office. (1872). Annual statement of the trade of the United Kingdom with foreign countries and British possessions for the year .. H.M.S.O.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Great Britain. Customs Establishment. Statistical Office و Great Britain. H.M. Customs and Excise. Statistical Office. Annual Statement of the Trade of the United Kingdom with Foreign Countries and British Possessions for the Year .. London: H.M.S.O, 1872.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Great Britain. Customs Establishment. Statistical Office و Great Britain. H.M. Customs and Excise. Statistical Office. Annual Statement of the Trade of the United Kingdom with Foreign Countries and British Possessions for the Year .. H.M.S.O, 1872.