(1986). Prevention and control of yellow fever in Africa.
Lua i Stíl Chicago (17ú heag.)Prevention and Control of Yellow Fever in Africa. 1986.
Lua MLA (9ú heag.)Prevention and Control of Yellow Fever in Africa. 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.