Great Britain. Customs Establishment, Great Britain. Public Record Office, Minchinton, W. E., & French, C. J. (1974). Ledgers of Imports and Exports, 1697-1780: Records of imports and exports to and from Britain and its colonies. E.P. Microform Ltd..
Chicago-referens (17:e uppl.)Great Britain. Customs Establishment, Great Britain. Public Record Office, Walter E. Minchinton, och C. J. French. Ledgers of Imports and Exports, 1697-1780: Records of Imports and Exports to and from Britain and Its Colonies. East Ardsley, Yorks., Eng.: E.P. Microform Ltd., 1974.
MLA-referens (8:e uppl.)Great Britain. Customs Establishment, et al. Ledgers of Imports and Exports, 1697-1780: Records of Imports and Exports to and from Britain and Its Colonies. E.P. Microform Ltd., 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.