Lockey, B. (1954). The interpretation of ordenance survey maps and geographical pictures. George Philip.
Cita Chicago Style (17a ed.)Lockey, B. The Interpretation of Ordenance Survey Maps and Geographical Pictures. London: George Philip, 1954.
Cita MLA (9a ed.)Lockey, B. The Interpretation of Ordenance Survey Maps and Geographical Pictures. George Philip, 1954.
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