Sumrall, L. (1992). Courage to conquer: Passing the sword to the last generation. Harrison House.
Cita Chicago (17th ed.)Sumrall, Lester. Courage to Conquer: Passing the Sword to the Last Generation. Oklahoma: Harrison House, 1992.
Cita MLA (9th ed.)Sumrall, Lester. Courage to Conquer: Passing the Sword to the Last Generation. Harrison House, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.