Duffie, Darrell
Prentice-Hall, 1989
Buku Teks SO
Kolb, Robert W.
Blackwell, 1997
Buku Teks SO
Hull, John C.
Prentice-Hall, 1995
Buku Teks SO
Jones, Roger
How to books, 1994
Buku Teks SO
edited by G. William Schwert, Clifford W. Smith, Jr.
McGraw-Hill, 1992
Buku Teks SO