Philbrick, H. A. (1952). I led 3 lives: Citizen, "Communist," counterspy. Grosset & Dunlap.
Chicago-viite (17. p.)Philbrick, Herbert Arthur. I Led 3 Lives: Citizen, "Communist," Counterspy. New York: Grosset & Dunlap, 1952.
MLA-viite (9. p.)Philbrick, Herbert Arthur. I Led 3 Lives: Citizen, "Communist," Counterspy. Grosset & Dunlap, 1952.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.