South Africa. Dept. of Health. (1978). World pioneers in the field of health. Dept. of Health.
Lua i Stíl Chicago (17ú heag.)South Africa. Dept. of Health. World Pioneers in the Field of Health. Pretoria: Dept. of Health, 1978.
Lua MLA (8ú heag.)South Africa. Dept. of Health. World Pioneers in the Field of Health. Dept. of Health, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.