Beckman, P. (1989). The nuclear predicament: An introduction. Prentice Hall.
Cita Chicago (17th ed.)Beckman, Peter. The Nuclear Predicament: An Introduction. Prentice Hall, 1989.
Cita MLA (9th ed.)Beckman, Peter. The Nuclear Predicament: An Introduction. Prentice Hall, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.