Rudwick, Bernard H., author
John Wiley & Sons, 1979
Buku Teks
Kroenke, David M., 1946-, author
McGraw-Hill, 1994
Buku Teks
Lucas, Henry C., author
McGraw-Hill, 1981
Buku Teks
Lucas, Henry C., author
McGraw-Hill, 1986
Buku Teks
Hughes, G. David, author
Addison-Wesley, 1978
Buku Teks