McPherson, George
Wiley, 1981
Buku Teks
Kostenko, M. P. (Mikhail Polievktovich), 1889-1976
Peace Publishers,
Buku Teks
Anderson, Leonard R.,
Reston Publishing, 1981
Buku Teks
Smith, Richard T.
Pergamon Press, 1982
Buku Teks
Gingrich, Harold W.
Prentice-Hall, 1979
Buku Teks