ebrary, Inc, Rocco, A. M., & Levin, J. E. (2011). Focus on energy management. Nova Science Publishers.
芝加哥风格引文ebrary, Inc, Andrea M. Rocco, 与 Joshua E. Levin. Focus on Energy Management. New York: Nova Science Publishers, 2011.
MLA引文ebrary, Inc, et al. Focus on Energy Management. Nova Science Publishers, 2011.
警告：这些引文格式不一定是100％准确.