Cowlard, K. A. (1990). Decision-making in geography: A manual of method and practice. Hodder & Stoughton.
Chicago-viite (17. p.)Cowlard, Keith A. Decision-making in Geography: A Manual of Method and Practice. London: Hodder & Stoughton, 1990.
MLA-viite (9. p.)Cowlard, Keith A. Decision-making in Geography: A Manual of Method and Practice. Hodder & Stoughton, 1990.
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