Lua APA (7ú heag.)
Haugen, R. A. (2001). Modern investment theory (5th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)
Haugen, Robert A. Modern Investment Theory. 5th ed. Upper Saddle River, N.J. ; New Delhi: Prentice Hall, 2001.
Lua MLA (9ú heag.)
Haugen, Robert A. Modern Investment Theory. 5th ed. Prentice Hall, 2001.
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