John, T. (2013). Understanding c: The four education orientations framework. Sipringer.
芝加哥风格引文John, Tiffany. Understanding C: The Four Education Orientations Framework. New York: Sipringer, 2013.
MLA引文John, Tiffany. Understanding C: The Four Education Orientations Framework. Sipringer, 2013.
警告：这些引文格式不一定是100％准确.