APA引文

ebrary, Inc, & Beltran, A. (2010). A comparative history of national oil companies. P.I.E. Peter Lang.

芝加哥风格引文

ebrary, Inc, 与 Alain Beltran. A Comparative History of National Oil Companies. Bruxelles ; New York: P.I.E. Peter Lang, 2010.

MLA引文

ebrary, Inc, 与 Alain Beltran. A Comparative History of National Oil Companies. P.I.E. Peter Lang, 2010.

警告：这些引文格式不一定是100％准确.