Tilbury, D., Williams, M., & Williams, M. (1997). Teaching and learning geography. New York: Routledge.
Παραπομπή Chicago StyleTilbury, Daniella, Michael Williams, and Michael Williams. Teaching and Learning Geography. New York: Routledge, 1997.
Παραπομπή MLATilbury, Daniella, Michael Williams, and Michael Williams. Teaching and Learning Geography. New York: Routledge, 1997.
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