Kiryakova, Virginia, author
Longman Scientific & Technical, 1993
Buku Teks
Harshbarger, Ronald J., author
Heath, 1990
Buku Teks
Lial, Margaret L., author
Pearson - Addison Wesley, 2008
Buku Teks
Larry J. Goldstein [and others]
Pearson - Prentice Hall, 2007
Buku Teks
Golstein, Larry J., author
Prentice-Hall, 2001
Buku Teks