APA-viite (7. p.)

ebrary, Inc, & Sorrell, L. A. (2010). Colombia: U.S. relations and issues. Nova Science Publishers.

Chicago-viite (17. p.)

ebrary, Inc, ja Landen A. Sorrell. Colombia: U.S. Relations and Issues. New York: Nova Science Publishers, 2010.

MLA-viite (9. p.)

ebrary, Inc, ja Landen A. Sorrell. Colombia: U.S. Relations and Issues. Nova Science Publishers, 2010.