ebrary, Inc, & Walker, S. (2013). Lecture notes (9th ed.). Wiley-Blackwell.
芝加哥风格引文ebrary, Inc, 与 Simon Walker. Lecture Notes. 9th ed. Chichester, West Sussex: Wiley-Blackwell, 2013.
MLA引文ebrary, Inc, 与 Simon Walker. Lecture Notes. 9th ed. Wiley-Blackwell, 2013.
警告：这些引文格式不一定是100％准确.