Hacker, Louis M., author
Columbia University Press, 1947.
Buku Teks
edited by James Ward Smith and A. Leland Jamison
Princeton University Press, 1961
Buku Teks
Duxbury, Neil, author
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Buku Teks
Coyle, Brian, author
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Buku Teks
Epps, Garrett, author
Oxford Univesity Press, 2013
Buku Teks