Não informado. (1990). Archives of Public Health. Archives Belges de Medecine Sociale.
Lua i Stíl Chicago (17ú heag.)Não informado. Archives of Public Health. Brussels: Archives Belges de Medecine Sociale, 1990.
Lua MLA (8ú heag.)Não informado. Archives of Public Health. Archives Belges de Medecine Sociale, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.