Educational Testing Service. (1973). Multiple choice questions: A close look ([New ed].). The Service.
芝加哥风格引文Educational Testing Service. Multiple Choice Questions: A Close Look. [New ed]. Princeton: The Service, 1973.
MLA引文Educational Testing Service. Multiple Choice Questions: A Close Look. [New ed]. The Service, 1973.
警告：这些引文格式不一定是100％准确.