Sumrall, L. (1992). Courage to conquer: Passing the sword to the last generation. Harrison House.
Chicago (17e ed.) BronvermeldingSumrall, Lester. Courage to Conquer: Passing the Sword to the Last Generation. Oklahoma: Harrison House, 1992.
MLA (9e ed.) BronvermeldingSumrall, Lester. Courage to Conquer: Passing the Sword to the Last Generation. Harrison House, 1992.
Let op: Deze citaties zijn niet altijd 100% accuraat.