Lua APA (7ú heag.)
Elton, E. J. (2003). Modern portfolio theory and investment analysis (6th ed.). J. Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)
Elton, Edwin J. Modern Portfolio Theory and Investment Analysis. 6th ed. New York: J. Wiley & Sons, 2003.
Lua MLA (9ú heag.)
Elton, Edwin J. Modern Portfolio Theory and Investment Analysis. 6th ed. J. Wiley & Sons, 2003.
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