edited by Theo D`Haen and Hans Bertens
Rodopi, 1993
Buku Teks
Karl, Frederick R.
Farrar, Straus and Giroux, 1964
Buku Teks
Hamalian, Leo
McGraw-Hill, 1967
Buku Teks
Russell, John David
Johns Hopkins University Press, 1979
Buku Teks
Cambridge University Press, 2003
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