Brock, Thomas D., author
Springer-Verlag, 1985
Buku Teks
Rae, Wesley D.
Twayne, 1967
Buku Teks
Clark, Thomas D., editor
Oxford University Press, 1961
Buku Teks SO
Thomas, Kenneth D.
[publisher not identified], [date of publication not identified]
Buku Klasik
Michael D. Brown
Ann Arbor Science Publishers, 1981
Buku Teks