Lock, C. B. M. (1976). Geography and Cartography: A reference Handbook (3rd.). CLIVE BINGLEY.
Chicago Style (17th ed.) ZitazioaLock, C B MURIEL. Geography and Cartography: A Reference Handbook. 3rd. London: CLIVE BINGLEY, 1976.
MLA (9th ed.) ZitazioaLock, C B MURIEL. Geography and Cartography: A Reference Handbook. 3rd. CLIVE BINGLEY, 1976.
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