Scheinfein, Michael
Kendall/Hunt, 1993
Buku Teks
Walker, James S., author
Addison-Wesley, 2010
Buku Teks
Giambattista, Alan, author
McGraw-Hill, Higher Education, 2008
Buku Teks
Cutnell, John D., author
John Wiley & Sons, 2007
Buku Teks
Tippens, Paul E., author
McGraw-Hill, 2007
Buku Teks