Marsh, W. M. (2002). Environmental geography: science, land use, and earth: Systems. Wiley.
Citazione stile Chigago Style (17a edizione)Marsh, William M. Environmental Geography: Science, Land Use, and Earth: Systems. New York: Wiley, 2002.
Citatione MLA (9a ed.)Marsh, William M. Environmental Geography: Science, Land Use, and Earth: Systems. Wiley, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.