APA-viite

Andrew, C., & Gordievsky, O. (1990). KGB: The inside story of its foreign operations from Lenin to Gorbachev.

Chicago-tyylinen lähdeviittaus

Andrew, Christopher, ja Oleg Gordievsky. KGB: The Inside Story of Its Foreign Operations from Lenin to Gorbachev. London, Hodder&Stoughton, 1990.

MLA-viite

Andrew, Christopher, ja Oleg Gordievsky. KGB: The Inside Story of Its Foreign Operations from Lenin to Gorbachev. 1990.