Fellman, J. D., Getis, A., & Getis, J. (1997). Human geography: Landscapes of human activities (5th ed.). Brown and Benchmark.
Cita Chicago (17th ed.)Fellman, Jerome Donald, Arthur Getis, i Judith Getis. Human Geography: Landscapes of Human Activities. 5th ed. Madison: Brown and Benchmark, 1997.
Cita MLA (9th ed.)Fellman, Jerome Donald, et al. Human Geography: Landscapes of Human Activities. 5th ed. Brown and Benchmark, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.