Hughes, Arthur, 1941-
Cambridge University Press, 1994
Buku Teks SO
edited by Paul Fletcher and Michael Garman
Cambridge University Press, 1986
Buku Teks
Laurents, Arthur
Random House, 1957
Buku Teks
Hayter, Anthony J.
Thomson Brooks/Cole, 2007
Buku Teks
Ton J. Cleophas
[, Springer], 2012
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