Tratsart, M. (1970). Take a letter, please: A secretary and her work. Educational Explorers.
芝加哥风格引文Tratsart, Mona. Take a Letter, Please: A Secretary and Her Work. Reading, Eng.: Educational Explorers, 1970.
MLA引文Tratsart, Mona. Take a Letter, Please: A Secretary and Her Work. Educational Explorers, 1970.
警告：这些引文格式不一定是100％准确.