Kachru, U. (2011). Procurement theory and systems. Mzumbe University School of business.
芝加哥风格引文Kachru, Upendra. Procurement Theory and Systems. Mzumbe: Mzumbe University School of business, 2011.
MLA引文Kachru, Upendra. Procurement Theory and Systems. Mzumbe University School of business, 2011.
警告：这些引文格式不一定是100％准确.