Ritter, U. P. (1996). Problems of Structural Change in the 21st Century: National and Comparative Research from Argentina, Brazil and Germany. Editorial Iberoamericana / Vervuert.
芝加哥风格引文Ritter, Ulrich Peter. Problems of Structural Change in the 21st Century: National and Comparative Research from Argentina, Brazil and Germany. Alemania: Editorial Iberoamericana / Vervuert, 1996.
MLA引文Ritter, Ulrich Peter. Problems of Structural Change in the 21st Century: National and Comparative Research from Argentina, Brazil and Germany. Editorial Iberoamericana / Vervuert, 1996.
警告：这些引文格式不一定是100％准确.