lombardim lionello A. (1965). information systems for planning and control. National Planning Institute.
Lua i Stíl Chicago (17ú heag.)lombardim lionello A. Information Systems for Planning and Control. cairo: National Planning Institute, 1965.
Lua MLA (9ú heag.)lombardim lionello A. Information Systems for Planning and Control. National Planning Institute, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.