Coulter, A. (2001). Patients and research.
Chicago-čujuhus (17. p.)Coulter, A. Patients and Research. 2001.
MLA-čujuhus (9. p.)Coulter, A. Patients and Research. 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.