Barron, Jerome A., author
West, 2009
Buku Teks
Nowak, John E., author
Thomson/West, 2010
Buku Teks
Fisher, Louis, author
McGraw-Hill, 1988
Buku Teks
Smith, Glenn C., author
John Wiley & Sons, 2012
Buku Teks
Schawartz, Bernard, author
At The University Press, 1955
Buku Teks