Fellmann, J., & Getis, A. (1997). Human geography: Landscapes of human activities (5th ed.). McGraw-hill.

Fellmann, Jerome, and Arthur Getis. Human Geography: Landscapes of Human Activities. 5th ed. Boston: McGraw-hill, 1997.

Fellmann, Jerome, and Arthur Getis. Human Geography: Landscapes of Human Activities. 5th ed. McGraw-hill, 1997.