Lua APA (7ú heag.)

WARWICK BEN. (2000). SEARCHING FOR ALPHA. JOHN WILEY AND SONS.

Lua i Stíl Chicago (17ú heag.)

WARWICK BEN. SEARCHING FOR ALPHA. NEW YORK: JOHN WILEY AND SONS, 2000.

Lua MLA (9ú heag.)

WARWICK BEN. SEARCHING FOR ALPHA. JOHN WILEY AND SONS, 2000.

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