Παραπομπή σε μορφή APA (7η εκδ.)

ebrary, Inc, Lowther, A., & Lindsay, B. (2009). Terrorism's unanswered questions. Praeger Security International.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ebrary, Inc, Adam Lowther, και Beverly Lindsay. Terrorism's Unanswered Questions. Westport, Conn.: Praeger Security International, 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

ebrary, Inc, et al. Terrorism's Unanswered Questions. Praeger Security International, 2009.