Mann, Prem S, author
John Wiley & Sons, 1995
Buku Teks
Bradley, Iver E., author
Dryden Press, 1981
Buku Teks
Ridley, Damon D., author
John Wiley & Sons, 1996
Buku Teks
Siegel, Sidney, author
McGraw-Hill , 1988
Buku Teks
Howell, David C., author
Thomson Higher Education, 2004
Buku Teks