Wells, E. (1964). Carlos P. Romulo: Voice of freedom. Funk and Wagnalls.
芝加哥风格引文Wells, Evelyn. Carlos P. Romulo: Voice of Freedom. New York: Funk and Wagnalls, 1964.
MLA引文Wells, Evelyn. Carlos P. Romulo: Voice of Freedom. Funk and Wagnalls, 1964.
警告：这些引文格式不一定是100％准确.