Bachrach, D. (1992). Espionage. Lucent Books.
Cita Chicago (17th ed.)Bachrach, Deborah. Espionage. San Diego, CA: Lucent Books, 1992.
Cita MLA (8th ed.)Bachrach, Deborah. Espionage. Lucent Books, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.