Glassner, Martin Ira, 1932-
Systematic political geography / Martin Ira Glassner, Harm J. de Blij. -- 4th ed. -- New York : John Wiley and Sons, 1989. -- 617 s. : obr., mapy. -- ISBN : 0471635839.
De Blij, Harm Jan, 1935-
politická geografie. geopolitika
321.013. 911.3:32