एपीए उद्धरण

Elton, E. J., & Gruber, M. J. (2011). Modern portfolio theory and investment analysis. New York: Wiley.

शिकागो स्टाइल उद्धरण

Elton, Edwin J., और Martin Jay Gruber. Modern Portfolio Theory and Investment Analysis. New York: Wiley, 2011.

एमएलए उद्धरण

Elton, Edwin J., और Martin Jay Gruber. Modern Portfolio Theory and Investment Analysis. New York: Wiley, 2011.