Cole, G. (1965). Communism and social democracy 1914-1931. Macmillan.
芝加哥风格引文Cole, G.D.H. Communism and Social Democracy 1914-1931. New York: Macmillan, 1965.
MLA引文Cole, G.D.H. Communism and Social Democracy 1914-1931. Macmillan, 1965.
警告：这些引文格式不一定是100％准确.