APA-viite (7. p.)
Goodall, H. L. (2006). A need to know: The clandestine history of a CIA family. Left Coast Press.
Chicago-viite (17. p.)
Goodall, H. Lloyd. A Need to Know: The Clandestine History of a CIA Family. Walnut Creek, Calif.: Left Coast Press, 2006.
MLA-viite (9. p.)
Goodall, H. Lloyd. A Need to Know: The Clandestine History of a CIA Family. Left Coast Press, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.