South Africa. Dept. of Health. (1930). Typhus or "louse fever": Memorandum issued by the Department of Public Health. Dept. of Public Health.
Chicago-referens (17:e uppl.)South Africa. Dept. of Health. Typhus or "Louse Fever": Memorandum Issued by the Department of Public Health. Pretoria: Dept. of Public Health, 1930.
MLA-referens (8:e uppl.)South Africa. Dept. of Health. Typhus or "Louse Fever": Memorandum Issued by the Department of Public Health. Dept. of Public Health, 1930.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.