Jarrow, Robert, author
South-Western College, 2000
Buku Teks
Hull, John C., author
Simon & Schuster, 1993
Buku Teks
Hull, John C., author
Prentice-Hall, 1993
Buku Teks
Hull, John C., author
Prentice-Hall, 1989
Buku Teks
Baxter, Martin
Cambridge university press, 1996
Buku Teks