Duncan, S., Scott, S., & Duncan, C. (1994). SMALLPOX EPIDEMICS IN CITIES IN BRITAIN.
Chicago-čujuhus (17. p.)Duncan, S., S. Scott, juo C. Duncan. SMALLPOX EPIDEMICS IN CITIES IN BRITAIN. 1994.
MLA-čujuhus (9. p.)Duncan, S., et al. SMALLPOX EPIDEMICS IN CITIES IN BRITAIN. 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.