Pan American Health Organization. (1991). Global Program on Aids For The Americas. s.e.
Chicago-čujuhus (17. p.)Pan American Health Organization. Global Program on Aids For The Americas. s.l: s.e, 1991.
MLA-čujuhus (9. p.)Pan American Health Organization. Global Program on Aids For The Americas. s.e, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.