Gregory, I. (1977). Psychiatry: Essentials of clinical practice with examination questions, answer, and comments. Little, Brown.
Chicago-čujuhus (17. p.)Gregory, Ian. Psychiatry: Essentials of Clinical Practice with Examination Questions, Answer, and Comments. Little, Brown, 1977.
MLA-čujuhus (9. p.)Gregory, Ian. Psychiatry: Essentials of Clinical Practice with Examination Questions, Answer, and Comments. Little, Brown, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.