Keck, W. C. (1968). Peace Corps Tuberculosis control - Program in the yungas Area of Bolivia. s.n.
Lua i Stíl Chicago (17ú heag.)Keck, William C. Peace Corps Tuberculosis Control - Program in the Yungas Area of Bolivia. La Paz: s.n, 1968.
Lua MLA (9ú heag.)Keck, William C. Peace Corps Tuberculosis Control - Program in the Yungas Area of Bolivia. s.n, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.