Keck, W. C. (1968). Peace Corps Tuberculosis control - Program in the yungas Area of Bolivia.
Chicago-čujuhus (17. p.)Keck, William C. Peace Corps Tuberculosis Control - Program in the Yungas Area of Bolivia. 1968.
MLA-čujuhus (9. p.)Keck, William C. Peace Corps Tuberculosis Control - Program in the Yungas Area of Bolivia. 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.