Bergman, E. F. (2008). Introduction to geography. Pearson Prentice Hall.
Chicago Edition CitationBergman, Edward F. Introduction to Geography. Upper Saddle River, NJ: Pearson Prentice Hall, 2008.
Cita MLABergman, Edward F. Introduction to Geography. Pearson Prentice Hall, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.