Baumann, C. E. (1967). Western Europe: What path to integration? Heath.
芝加哥风格引文Baumann, Carol Edler. Western Europe: What Path to Integration? Boston: Heath, 1967.
MLA引文Baumann, Carol Edler. Western Europe: What Path to Integration? Heath, 1967.
警告：这些引文格式不一定是100％准确.