Sealey, Raphael
London The University of North Carolina Press 1990,
Buku Teks
Sealey, Raphael
University of North Carolina Press, 1990
Buku Teks
Shanks, Michael
Routledge, 1996
Buku Teks SO
Eliot, Alexander
Time Incerperated, 1963
Buku Teks SO
Moncrieff, A.R. Hope
Gramercy Books, 1995
Buku Referensi