Sumrall, L. (1992). Courage to conquer: Passing the sword to the last generation. Harrison House.
Čikaški stil citiranja (17. izdanje)Sumrall, Lester. Courage to Conquer: Passing the Sword to the Last Generation. Oklahoma: Harrison House, 1992.
MLA način citiranja (9. izdanje)Sumrall, Lester. Courage to Conquer: Passing the Sword to the Last Generation. Harrison House, 1992.
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