Schamschula, R. G. (1978). WHO study of dental caries etiology in Papua New Guinea. World Health Organization.
Citación estilo ChicagoSchamschula, R. G. WHO Study of Dental Caries Etiology in Papua New Guinea. Geneva: World Health Organization, 1978.
Cita MLASchamschula, R. G. WHO Study of Dental Caries Etiology in Papua New Guinea. World Health Organization, 1978.
Warning: These citations may not always be 100% accurate.