Giannakouris, K. (2008). Ageing characterises the demographic perspectives of the European societies. Statistics in focus: Population and social conditions.
Lua i Stíl Chicago (17ú heag.)Giannakouris, Konstantinos. "Ageing Characterises the Demographic Perspectives of the European Societies." Statistics in Focus: Population and Social Conditions 2008.
Lua MLA (8ú heag.)Giannakouris, Konstantinos. "Ageing Characterises the Demographic Perspectives of the European Societies." Statistics in Focus: Population and Social Conditions, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.