Sumrall, L. (1992). Courage to conquer: Passing the sword to the last generation. Harrison House.
芝加哥风格引文Sumrall, Lester. Courage to Conquer: Passing the Sword to the Last Generation. Oklahoma: Harrison House, 1992.
MLA引文Sumrall, Lester. Courage to Conquer: Passing the Sword to the Last Generation. Harrison House, 1992.
警告：这些引文格式不一定是100％准确.