Lua APA (7ú heag.)

Sharpe, W. F. (1970). Portfolio theory and capital markets. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Sharpe, William F. Portfolio Theory and Capital Markets. New York: McGraw-Hill, 1970.

Lua MLA (9ú heag.)

Sharpe, William F. Portfolio Theory and Capital Markets. McGraw-Hill, 1970.

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