Klein, L. R. (1980). Quantitative Economics and Development. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Klein, L. R. Quantitative Economics and Development. ELSEVIER, 1980.
Lua MLA (8ú heag.)Klein, L. R. Quantitative Economics and Development. ELSEVIER, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.