Haynes, John
Routledge, 1995
Buku Teks
Quah, Jon S. T., author
Talisman Pub, 2010
Buku Teks
Quah, Jon S. T., author
Emerald, 2010
Buku Teks
The University of Chicago Press, 2010
Buku Teks
T. Daniel Coggin, Frank J. Fabozzi, editors
Frank J. Fabozzi Associates, 1997
Buku Referensi