Lockey, B. (1980). The interpretation of Ordnace survey maps and geographical pictures (Metric ed., 9. ed.). Philip.
Chicago Style (17th ed.) CitationLockey, B. The Interpretation of Ordnace Survey Maps and Geographical Pictures. Metric ed., 9. ed. London: Philip, 1980.
MLA (9th ed.) CitationLockey, B. The Interpretation of Ordnace Survey Maps and Geographical Pictures. Metric ed., 9. ed. Philip, 1980.
Warning: These citations may not always be 100% accurate.