Analele Asociatiei Profesionale a Geografilor din Romania | Professional Association of Romanian Geographers. Cambridge University Press.
Chicago-referens (17:e uppl.)Analele Asociatiei Profesionale a Geografilor Din Romania | Professional Association of Romanian Geographers. Cambridge University Press.
MLA-referens (9:e uppl.)Analele Asociatiei Profesionale a Geografilor Din Romania | Professional Association of Romanian Geographers. Cambridge University Press.
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