Black, J., author
John Wiley & Sons, 1980
Buku Teks
Gormally, John, author
Prentice-Hall, 2000
Buku Teks
Lipschutz, Seymour, 1915-2003, author
McGraw-Hill, 1982
Buku Teks
Bradley, Teresa, author
Wiley, 2013
Buku Teks
Johnson, Catherine W., author
Thomson , 2003
Buku Teks