Marsh, W. M., & Grossa, J. (1996). Environmental geography: Science, land use, and earth systems. Wiley.
Lua i Stíl Chicago (17ú heag.)Marsh, William M., agus John Grossa. Environmental Geography: Science, Land Use, and Earth Systems. New York: Wiley, 1996.
Lua MLA (9ú heag.)Marsh, William M., agus John Grossa. Environmental Geography: Science, Land Use, and Earth Systems. Wiley, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.