Lock, C. B. M. (1976). Geography and Cartography: A reference Handbook (3rd.). CLIVE BINGLEY.
Cita Chicago (17th ed.)Lock, C B MURIEL. Geography and Cartography: A Reference Handbook. 3rd. London: CLIVE BINGLEY, 1976.
Cita MLA (9th ed.)Lock, C B MURIEL. Geography and Cartography: A Reference Handbook. 3rd. CLIVE BINGLEY, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.