Köster, K. (2011). International Project Management. SAGE Publications India Pvt. Ltd.
芝加哥风格引文Köster, Kathrin. International Project Management. New Delhi: SAGE Publications India Pvt. Ltd, 2011.
MLA引文Köster, Kathrin. International Project Management. SAGE Publications India Pvt. Ltd, 2011.
警告：这些引文格式不一定是100％准确.