(1986). Prevention and control of yellow fever in Africa.
Chicago-čujuhus (17. p.)Prevention and Control of Yellow Fever in Africa. 1986.
MLA-čujuhus (9. p.)Prevention and Control of Yellow Fever in Africa. 1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.