Spencer, J.E.
Introducing cultural geography
John Wiley & Sons, 1978
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Spancer, J.E.
Introducing cultural geography
John Wiley & Sons, 1973
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Herskovits, Melville Jean, 1895-1963
Cultural anthropology: an abridge revision of man and his works
Alfred A. Knopf, 1955
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Forde, C. Daryll
Habitat, economy and society : a geographical introduction to ethnology / C. Daryll Forde
Methuen, 1963
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Saaty, Thomas L.
Embracing the future : meeting the challenge of our changing world
Praeger, 1990
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