ebrary, Inc, & Silvius, G. (2012). Sustainability in project management. Gower Pub..
芝加哥风格引文ebrary, Inc, 与 Gilbert Silvius. Sustainability in Project Management. Burlington, VT: Gower Pub., 2012.
MLA引文ebrary, Inc, 与 Gilbert Silvius. Sustainability in Project Management. Gower Pub., 2012.
警告：这些引文格式不一定是100％准确.