Pethybridge, R. (A) Key to Soviet politics The crisis of the anti-party group. Frederick A. Praeger.
Chicago-viite (17. p.)Pethybridge, Roger. (A) Key to Soviet Politics The Crisis of the Anti-party Group. Frederick A. Praeger.
MLA-viite (8. p.)Pethybridge, Roger. (A) Key to Soviet Politics The Crisis of the Anti-party Group. Frederick A. Praeger.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.