Shaffrey, R. (2006). Grinding and milling: A study of Romano-British rotary querns and millstones made from Old Red Sandstone. Archaeopress.
Παραπομπή σε μορφή Chicago (17η εκδ.)Shaffrey, Ruth. Grinding and Milling: A Study of Romano-British Rotary Querns and Millstones Made from Old Red Sandstone. Oxford: Archaeopress, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)Shaffrey, Ruth. Grinding and Milling: A Study of Romano-British Rotary Querns and Millstones Made from Old Red Sandstone. Archaeopress, 2006.
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