Baudler, P. G. (1967). Directory of American business in Germany. Seibt-Verlag.
芝加哥风格引文Baudler, Paul G. Directory of American Business in Germany. Munich: Seibt-Verlag, 1967.
MLA引文Baudler, Paul G. Directory of American Business in Germany. Seibt-Verlag, 1967.
警告：这些引文格式不一定是100％准确.