Ambrose, James E.
John Wiley & Sons, 1997
Buku Teks
Ambrose, James E.
John Wiley & Sons, 2007
Buku Teks
Lothers, John E.
Prentice-Hall, 1965
Buku Teks
Spiegel, Leonard
Regents, 1993
Buku Teks
editor, Roger L. Brockenbrough, Frederick S. Maerritt
McGraw-Hill, 1994
Buku Referensi