eleish, g. (1962). an introduction to the input- output model. the institute of national planning.
Lua i Stíl Chicago (17ú heag.)eleish, g. An Introduction to the Input- Output Model. cairo: the institute of national planning, 1962.
Lua MLA (9ú heag.)eleish, g. An Introduction to the Input- Output Model. the institute of national planning, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.