Fowler, F. Parker, author
John Wiley & Sons, 1962
Buku Teks
Fowler, F. Parker, author
Wiley, 1962
Buku Teks
Pintel, Gerald, author
Prentice-Hall, 1989
Buku Teks
Hafstrom, John E., author
Addison-Wesely, 1961
Buku Teks
Washington, Allyn J., author
Pearson - Prentice Hall, 2009
Buku Teks