Joseph P Stoltman. (2012). 21st century geography: A reference handbook (vol.1). Sage.
Čikaški stil citiranjaJoseph P Stoltman. 21st Century Geography: A Reference Handbook (vol.1). Los Angeles: Sage, 2012.
MLA način citiranjaJoseph P Stoltman. 21st Century Geography: A Reference Handbook (vol.1). Sage, 2012.
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