Gaya APA

Elton, E, J. et al (2011). MODERN PORTFOLIO THEORY AND INVESTMENT ANALYSIS (8th). New York: JOHN WILEY & SON.

Gaya MLA

Elton, Edwin, J.. et al. "MODERN PORTFOLIO THEORY AND INVESTMENT ANALYSIS". 8th New York: JOHN WILEY & SON, 2011. Text.