Cowlard, K. A. (1990). Decision-making in geography: A manual of method and practice. Hodder and Stoughton.
Cita Chicago (17th ed.)Cowlard, Keith A. Decision-making in Geography: A Manual of Method and Practice. London: Hodder and Stoughton, 1990.
Cita MLA (9th ed.)Cowlard, Keith A. Decision-making in Geography: A Manual of Method and Practice. Hodder and Stoughton, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.