APA引文

Davidosn, D. (1980). Reference service. Bingley.

芝加哥风格引文

Davidosn, Donald. Reference Service. London: Bingley, 1980.

MLA引文

Davidosn, Donald. Reference Service. Bingley, 1980.

警告：这些引文格式不一定是100％准确.