APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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