Palmer, R.R. (Robert Roswell), 1909-2002, author
McGraw-Hill, 1992
Buku Teks
edited by G. Goodwin
Cambridge University Press, 1958
Buku Teks
Lindemann, Albert S., author
John Wiley & Sons, 2013
Buku Teks
Mayer, Frederick, author
American Book Company, 1951
Buku Klasik
Johnson, Paul, author
Weidenfeld and Nicolson, 1983
Buku Teks