Chambers, R.W. (Robert Warner), author
Charlles, 1960
Buku Teks
edited by Marcel Florkin and Elmer H. Stotz
Elsevier, 1968
Buku Teks
Mallette, M. Frank
Wiley Eastern Private Limited Publishers, 1968
Buku Teks
Anderson, Arthur K., author
John Wiley & Sons, 1953
Buku Teks
Aldridge, Susan
Cambridge University Press, 1996
Buku Teks