ebrary, Inc, Bradley, J., & Yates, C. (2000). Basic education at a distance. RoutledgeFalmer.
芝加哥风格引文ebrary, Inc, Jo Bradley, 与 Chris Yates. Basic Education at a Distance. London: RoutledgeFalmer, 2000.
MLA引文ebrary, Inc, et al. Basic Education at a Distance. RoutledgeFalmer, 2000.
警告：这些引文格式不一定是100％准确.