South Africa. Dept. of Health. (1975). Reduce with common sense. Dept. of Health.
Chicago-referens (17:e uppl.)South Africa. Dept. of Health. Reduce with Common Sense. Pretoria: Dept. of Health, 1975.
MLA-referens (8:e uppl.)South Africa. Dept. of Health. Reduce with Common Sense. Dept. of Health, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.