Gillard, J. T. (1937). The Negro Challenges: Christianity, Communism, Catholicism. Baltimore.
Chicagoスタイル(17版)引用形式Gillard, John Thomas. The Negro Challenges: Christianity, Communism, Catholicism. Baltimore, 1937.
MLA(8版)引用形式Gillard, John Thomas. The Negro Challenges: Christianity, Communism, Catholicism. Baltimore, 1937.
警告: この引用は必ずしも正確ではありません.