Strauss, E. o. S. Security proplems in a modern society. Butter worth.
Lua i Stíl Chicago (17ú heag.)Strauss, Editor oleh Sheryl. Security Proplems in a Modern Society. Butter worth.
Lua MLA (8ú heag.)Strauss, Editor oleh Sheryl. Security Proplems in a Modern Society. Butter worth.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.