APA-viite (7. p.)
United States. Air Force, Project Air Force (U.S.), ebrary, Inc, & Rabasa, A. (2006). The outer rings of the terrorist universe. Rand Corporation.
Chicago-viite (17. p.)
United States. Air Force, Project Air Force (U.S.), Inc ebrary, ja Angel Rabasa. The Outer Rings of the Terrorist Universe. Santa Monica, CA: Rand Corporation, 2006.
MLA-viite (9. p.)
United States. Air Force, et al. The Outer Rings of the Terrorist Universe. Rand Corporation, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.