Great Britain. Ordnance Survey. (1964). Field archaeology (Fourth edition.). H.M. Stationery Off.
Chicago-viite (17. p.)Great Britain. Ordnance Survey. Field Archaeology. Fourth edition. London: H.M. Stationery Off, 1964.
MLA-viite (9. p.)Great Britain. Ordnance Survey. Field Archaeology. Fourth edition. H.M. Stationery Off, 1964.
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