edited by Michael Allaby
Oxford University Press, 1992
Buku Teks
Gordon, Malcolm S.
Macmillan, 1976
Buku Teks
Miller, Stephen A.
McGraw-Hill, 2010
Buku Teks
Miller, Stephen A.
McGraw-Hill, 2016
Buku Teks
Boolootian, Richard A.
New York: Macmillan, 1969
Buku Teks