Lutz, Harley Leist
D. Appleton-Century, 1947
Buku Teks
Eckstein, Otto
Prentice-Hall, 1967
Buku Teks
Hicks, Ursula K.
Kinokuniya , 1959
Buku Teks
Rosen, Harvey S.
Richard D. Irwin, 1991
Buku Teks
edited by Carl S. Shoup
Aldine Publishing, 1969
Buku Teks