Não informado. Public Health Service Publications. U.S. Department of Health Education and Welfare.
Lua i Stíl Chicago (17ú heag.)Não informado. Public Health Service Publications. Washington: U.S. Department of Health Education and Welfare.
Lua MLA (8ú heag.)Não informado. Public Health Service Publications. U.S. Department of Health Education and Welfare.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.