South Africa. Dept. of Health. (1979). A Sex education manual for the use of parents, community and youth workers. Dept. of Health.
Lua i Stíl Chicago (17ú heag.)South Africa. Dept. of Health. A Sex Education Manual for the Use of Parents, Community and Youth Workers. Pretoria: Dept. of Health, 1979.
Lua MLA (8ú heag.)South Africa. Dept. of Health. A Sex Education Manual for the Use of Parents, Community and Youth Workers. Dept. of Health, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.