Morris, Stephen, author
Prentice-Hall, 1998
Buku Teks
Keiser, Norman F., author
John Wiley & Sons, 1960
Buku Teks
Stanlake, G.F., author
Longman, 1987
Buku Teks
Dewar, Diane M., author
Jones & Bartlett Learning, 2011
Buku Teks
Samuelson, Paul A. (Paul Anthony), 1915-2009, author
McGraw-Hill, 1985
Buku Teks