essay by Dave Hickey, Peter Plagens
Hudson Hills Press, 1982
Buku Referensi
Walia, Shelley
Jendela, 2003
Buku Teks
Gifford, Edward S.
Doubleday & Company, Inc., 1966
Buku Teks
Winslow, Ola Elizabeth
Macmillan Company, 1941
Buku Teks
Cambridge University Press, 2010
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