Marsh, W. M., & Grossa, J. (1996). Environmental geography: Science, land use, and earth systems. New York: J. Wiley.
Παραπομπή Chicago StyleMarsh, William M., and John Grossa. Environmental Geography: Science, Land Use, and Earth Systems. New York: J. Wiley, 1996.
Παραπομπή MLAMarsh, William M., and John Grossa. Environmental Geography: Science, Land Use, and Earth Systems. New York: J. Wiley, 1996.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.