DiYanni, Robert
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Buku Teks SO
Korean Culture & Arts Foundation, 1984
Buku Teks SO
Lennard, John
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Buku Referensi
edited by Antony Easthope, John O. Thompson
Harvester Wheatsheaf, 1991
Buku Teks SO
edited by Mark Van Doren; in English translations by Chaucer. [et al.].
Reynal, 1928
Buku Teks SO