Fellman, J. D., Getis, A., & Getis, J. (2001). Human geography: Landscapes of human activities (Updated 6th ed.). Mcgraw-Hill.
Citazione stile Chigago Style (17a edizione)Fellman, Jerome Donald, Arthur Getis, e Judith Getis. Human Geography: Landscapes of Human Activities. Updated 6th ed. Boston: Mcgraw-Hill, 2001.
Citatione MLA (9a ed.)Fellman, Jerome Donald, et al. Human Geography: Landscapes of Human Activities. Updated 6th ed. Mcgraw-Hill, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.