Gaya APA
Regoli, R, M., Hewitt, J, D. (2006).
Equity flex options : the financial engineer's most Versatile tool (Ed.6).
New York:
McGraw Hill.
Gaya MLA
Regoli, Robert, M.., Hewitt, John, D..
"Equity flex options : the financial engineer's most Versatile tool".
Ed.6
New York:
McGraw Hill,
2006.
Buku Tercetak.