Engelmann. R. (1985). Small business management. Stellagraphics Ltd.
芝加哥风格引文Engelmann. R. Small Business Management. Nairobi, Kenya: Stellagraphics Ltd, 1985.
MLA引文Engelmann. R. Small Business Management. Stellagraphics Ltd, 1985.
警告：这些引文格式不一定是100％准确.