Luard, Evan, selector
St. Martin's Press, 1979
Buku Teks
Coyle, David Cushman, 1887-1969
The New Americanan Library, 1962
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Goodrich, Leland M.
Thomas Y. Crowell, 1961
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Departemen of Public Information UN, 1989
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Departemen of Public Information UN, 2014
Buku Teks