Patton, W. E. (1980). Improving the use of social studies textbooks. National Council for the Social Studies.
芝加哥风格引文Patton, William E. Improving the Use of Social Studies Textbooks. Washington, D.C.: National Council for the Social Studies, 1980.
MLA引文Patton, William E. Improving the Use of Social Studies Textbooks. National Council for the Social Studies, 1980.
警告：这些引文格式不一定是100％准确.