IRB: Ethics & Human Research. Hastings Center.
Chicago-čujuhus (17. p.)IRB: Ethics & Human Research. Hastings Center.
MLA-čujuhus (9. p.)IRB: Ethics & Human Research. Hastings Center.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.