John Eyles. (1988). Research in human geography: Introductions and investigations. Basil Blackwell.
Chicago-viite (17. p.)John Eyles. Research in Human Geography: Introductions and Investigations. New York: Basil Blackwell, 1988.
MLA-viite (9. p.)John Eyles. Research in Human Geography: Introductions and Investigations. Basil Blackwell, 1988.
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