Haines-Young, R. H. (1986). Physical geography: Its nature and methods. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Haines-Young, Roy H. Physical Geography: Its Nature and Methods. London: Harper & Row, 1986.
Lua MLA (9ú heag.)Haines-Young, Roy H. Physical Geography: Its Nature and Methods. Harper & Row, 1986.
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