Knauth, Oswald
Columbia University Press, 1956
Buku Teks
Owens, Richard N.
Homewood, Ill. Richard D. Irwin, Inc , 1958
Buku Teks
Krooss, Herman Edward, 1912-1975, author
Prentice-Hall, 1966
Buku Teks
Andrerson, James E., author
Addison-Wesley, 1970
Buku Teks
Reagan, Michael D., author
Oxford University Press, 1963
Buku Teks