Higgins, K. (2015). Economic Growth and Sustainability. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Higgins, Karen. Economic Growth and Sustainability. ELSEVIER, 2015.
Lua MLA (8ú heag.)Higgins, Karen. Economic Growth and Sustainability. ELSEVIER, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.