SPENCER, J., & THOMAS, W. (1978). Introducing cultural geography.-- Ed.2. John Wiley and sons.
Lua i Stíl Chicago (17ú heag.)SPENCER, J.E, agus W.L THOMAS. Introducing Cultural Geography.-- Ed.2. New York: John Wiley and sons, 1978.
Lua MLA (9ú heag.)SPENCER, J.E, agus W.L THOMAS. Introducing Cultural Geography.-- Ed.2. John Wiley and sons, 1978.
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