Cohn, P.M., author
John Wiley & Sons, 1982
Buku Teks
Brumfiel, Charles Francis, 1914-, author
Addison-Wesley, 1962
Buku Teks
Cohn, P.M., author
John Wiley & Sons, 1979
Buku Teks
by Mary P. Dolciani [and others]
Houghton Mifflin, 1976
Buku Teks
Saxon, John H., author
Prentice-Hall, 1979
Buku Teks