Roberts, A. (1967). The strategy of civilian defence: Non-violent resistance to aggression. Faber and Faber Ltd.
Lua i Stíl Chicago (17ú heag.)Roberts, Adam. The Strategy of Civilian Defence: Non-violent Resistance to Aggression. London: Faber and Faber Ltd, 1967.
Lua MLA (9ú heag.)Roberts, Adam. The Strategy of Civilian Defence: Non-violent Resistance to Aggression. Faber and Faber Ltd, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.