Philippines (Republic) Department of Health, Division of Schistosomiasis, Public Health Research Laboratories, & Pesigan, T. P. Brochure on schistosomiasis (snail fever). National Media Production Center.
Chicago-referens (17:e uppl.)Philippines (Republic) Department of Health, Division of Schistosomiasis, Public Health Research Laboratories, och Trinidad P. Pesigan. Brochure on Schistosomiasis (snail Fever). Manila: National Media Production Center.
MLA-referens (9:e uppl.)Philippines (Republic) Department of Health, et al. Brochure on Schistosomiasis (snail Fever). National Media Production Center.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.