ebrary, Inc, & Vaz, S. G. (2012). Environment: Why read the classics. Greenleaf Pub..
芝加哥风格引文ebrary, Inc, 与 Sofia Guedes Vaz. Environment: Why Read the Classics. Sheffield, South Yorkshire, England: Greenleaf Pub., 2012.
MLA引文ebrary, Inc, 与 Sofia Guedes Vaz. Environment: Why Read the Classics. Greenleaf Pub., 2012.
警告：这些引文格式不一定是100％准确.