APA (7th ed.) Zitazioa

Smallwood. Valor, Guts, and Luck. University of Nebraska Press.

Chicago Style (17th ed.) Zitazioa

Smallwood. Valor, Guts, and Luck. University of Nebraska Press.

MLA (9th ed.) Zitazioa

Smallwood. Valor, Guts, and Luck. University of Nebraska Press.

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