ebrary, Inc, Winton, H. R., & Mets, D. R. (2000). The challenge of change: Military institutions and new realities, 1918-1941. University of Nebraska.
芝加哥风格引文ebrary, Inc, Harold R. Winton, 与 David R. Mets. The Challenge of Change: Military Institutions and New Realities, 1918-1941. Lincoln: University of Nebraska, 2000.
MLA引文ebrary, Inc, et al. The Challenge of Change: Military Institutions and New Realities, 1918-1941. University of Nebraska, 2000.
警告：这些引文格式不一定是100％准确.