Stafford, W. It's like Wyoming: William Stafford. The West.(1979).
Lua i Stíl Chicago (17ú heag.)Stafford, William. "It's like Wyoming: William Stafford." The West.(1979) .
Lua MLA (8ú heag.)Stafford, William. "It's like Wyoming: William Stafford." The West.(1979), .
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