World Health Organization. (1994). Bench Aids for the diagnosis of intestinal parasites. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. Bench Aids for the Diagnosis of Intestinal Parasites. France: World Health Organization, 1994.
MLA-referens (8:e uppl.)World Health Organization. Bench Aids for the Diagnosis of Intestinal Parasites. World Health Organization, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.