Plougin, V., & Secara, C. A. (2000). Russian intelligence services. Algora Pub..
芝加哥风格引文Plougin, Vladimir, 与 Claudiu A. Secara. Russian Intelligence Services. New York: Algora Pub., 2000.
MLA引文Plougin, Vladimir, 与 Claudiu A. Secara. Russian Intelligence Services. Algora Pub., 2000.
警告：这些引文格式不一定是100％准确.