Friedman, Norman
University of Georgia Press, 1975
Buku Teks SO
Alter, Robert
University of California Press, 1978
Buku Teks SO
Leech, Geoffrey N., 1936-
Longman, 1994
Buku Teks SO
edited by Michael J. Hoffman and Patrick D. Murphy
Duke University Press, 1988
Buku Teks SO
Moore, Patrick
George G. Harrap, 1957
Buku Teks SO