World Health Organization. (1994). Bench Aids for the diagnosis of intestinal parasites. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Bench Aids for the Diagnosis of Intestinal Parasites. France: World Health Organization, 1994.
Citatione MLA (8a ed.)World Health Organization. Bench Aids for the Diagnosis of Intestinal Parasites. World Health Organization, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.