THEMES IN & HARVEY, M. E. (1981). Themes in geographic thought. Croom Helm.
Lua i Stíl Chicago (17ú heag.)THEMES IN agus Milton E. HARVEY. Themes in Geographic Thought. London: Croom Helm, 1981.
Lua MLA (9ú heag.)THEMES IN agus Milton E. HARVEY. Themes in Geographic Thought. Croom Helm, 1981.
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