ebrary, Inc, & Wragg, E. C. (1996). Teacher appraisal observed. Routledge.
芝加哥风格引文ebrary, Inc, 与 E. C. Wragg. Teacher Appraisal Observed. London ; New York: Routledge, 1996.
MLA引文ebrary, Inc, 与 E. C. Wragg. Teacher Appraisal Observed. Routledge, 1996.
警告：这些引文格式不一定是100％准确.