एपीए उद्धरण

Angel, J. J. (1999). Equity Flex Options: The Financial Engineer's Most Versatile Tool. Pennsylvania: Frank J. Fabozzi Associates.

शिकागो स्टाइल उद्धरण

Angel, James J. Equity Flex Options: The Financial Engineer's Most Versatile Tool. Pennsylvania: Frank J. Fabozzi Associates, 1999.

एमएलए उद्धरण

Angel, James J. Equity Flex Options: The Financial Engineer's Most Versatile Tool. Pennsylvania: Frank J. Fabozzi Associates, 1999.