Palmer, Vance, author
University of Queensland Press, 1973
Buku Teks
Holt Rinehart & Winston, 1972
Buku Teks
edited by John Mechaf & Clark Blaise
Oberon Press , 1978
Buku Teks
Overton, Grant, author
Funk & Wagnalls Company, 1927
Buku Teks
Jones, Margaret
McGraw-Hill, 1979
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