Fellmann, J., & Getis, A. (1997). Human geography: Landscapes of human activities (5th ed.). McGraw-hill.
Chicago Style (17th ed.) ZitazioaFellmann, Jerome, eta Arthur Getis. Human Geography: Landscapes of Human Activities. 5th ed. Boston: McGraw-hill, 1997.
MLA (9th ed.) ZitazioaFellmann, Jerome, eta Arthur Getis. Human Geography: Landscapes of Human Activities. 5th ed. McGraw-hill, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.