Rofail, S. (1967). Methodology & Summary. The Institute of National Planning.
Lua i Stíl Chicago (17ú heag.)Rofail, Salib. Methodology & Summary. Cairo: The Institute of National Planning, 1967.
Lua MLA (9ú heag.)Rofail, Salib. Methodology & Summary. The Institute of National Planning, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.