APA-čujuhus (7. p.)
Blum, A. (2011). The grey zone of health and illness. Intellect.
Chicago-čujuhus (17. p.)
Blum, Alan. The Grey Zone of Health and Illness. Bristol [U.K.]: Intellect, 2011.
MLA-čujuhus (9. p.)
Blum, Alan. The Grey Zone of Health and Illness. Intellect, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.