Spiegel, Leonard, author
Regents, 1993
Buku Teks
Parker, Harry, author
John Wiley & Sons, 1983
Buku Teks
Lothers, John E.
Prentice-Hall, 1965
Buku Teks
McCormac, Jack C., author
Harper and Row , 1981
Buku Teks
edited by Roger L. Brockenbrough, Frederick S. Merrit
McGraw-Hill, 2011
Buku Teks