Crocker Olga L. (1984). Quality circles: A guide to participation and productivity. Methuen.
芝加哥风格引文Crocker Olga L. Quality Circles: A Guide to Participation and Productivity. Toronto: Methuen, 1984.
MLA引文Crocker Olga L. Quality Circles: A Guide to Participation and Productivity. Methuen, 1984.
警告：这些引文格式不一定是100％准确.