Maxim, G. W. (1987). Social studies and the elementary school child (3rd ed.). Merrill.
芝加哥风格引文Maxim, George W. Social Studies and the Elementary School Child. 3rd ed. Columbus: Merrill, 1987.
MLA引文Maxim, George W. Social Studies and the Elementary School Child. 3rd ed. Merrill, 1987.
警告：这些引文格式不一定是100％准确.