Price, Roger, author
Routledge, 1997
Buku Teks
Zuylen, Baron Pierre van
Paris Desclee de Brouwer 1950
Buku Teks
Schwartz, Bernard, author
New York University Press, 1956
Buku Teks
Horricks, Raymond, author
Castello, 1988
Buku Teks
Saragih, Rondang Delima, author
1996
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