Heizer, Jay, author
Pearson Prentice-Hall, 2008
Buku Teks
Russell, Roberta S., author
Pearson Education, 2003
Buku Teks
Russell, Roberta S., author
Prentice-Hall, 2000
Buku Teks
Dilworth, James B., 1939-, author
Random House, 1979
Buku Teks
Shafer, Scott M., author
John Wiley & Sons, 1998
Buku Teks