World Health Organization. (2006). Preventive chemotherapy in human helminthiasis: Coordinated use of anthelminthic drugs in control interventions : a manual for health professionals and programme managers. World Health Organization.
Chicago-viite (17. p.)World Health Organization. Preventive Chemotherapy in Human Helminthiasis: Coordinated Use of Anthelminthic Drugs in Control Interventions : A Manual for Health Professionals and Programme Managers. Geneva, Swizterland: World Health Organization, 2006.
MLA-viite (8. p.)World Health Organization. Preventive Chemotherapy in Human Helminthiasis: Coordinated Use of Anthelminthic Drugs in Control Interventions : A Manual for Health Professionals and Programme Managers. World Health Organization, 2006.
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