ebrary, Inc, & O'Hanlon, M. E. (2003). Protecting the American homeland: One year on ([Updated] with a new preface.). Brookings Institution Press.
芝加哥风格引文ebrary, Inc, 与 Michael E. O'Hanlon. Protecting the American Homeland: One Year on. [Updated] with a new preface. Washington, D.C.: Brookings Institution Press, 2003.
MLA引文ebrary, Inc, 与 Michael E. O'Hanlon. Protecting the American Homeland: One Year on. [Updated] with a new preface. Brookings Institution Press, 2003.
警告:这些引文格式不一定是100%准确.