Gregory, D., Johnston, R. J., Smith, D. M., & Johnston, R. J. (1994). The dictionary of human geography (3rd ed.). Massachusetts: Blackwell.
Παραπομπή Chicago StyleGregory, Derek, R. J. Johnston, David M. Smith, and R. J. Johnston. The Dictionary of Human Geography. 3rd ed. Massachusetts: Blackwell, 1994.
Παραπομπή MLAGregory, Derek, R. J. Johnston, David M. Smith, and R. J. Johnston. The Dictionary of Human Geography. 3rd ed. Massachusetts: Blackwell, 1994.
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