Singh, I. (1996). Social Determinants of human health.
Lua i Stíl Chicago (17ú heag.)Singh, Indira. Social Determinants of Human Health. 1996.
Lua MLA (8ú heag.)Singh, Indira. Social Determinants of Human Health. 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.