APA-čujuhus (7. p.)
OLSSON, B., & RETT, A. (1987). AUTISM AND RETT SYNDROME: BEHAVIOURAL INVESTIGATIONS AND DIFFERENTIAL DIAGNOSIS.
Chicago-čujuhus (17. p.)
OLSSON, B., juo A. RETT. AUTISM AND RETT SYNDROME: BEHAVIOURAL INVESTIGATIONS AND DIFFERENTIAL DIAGNOSIS. 1987.
MLA-čujuhus (9. p.)
OLSSON, B., juo A. RETT. AUTISM AND RETT SYNDROME: BEHAVIOURAL INVESTIGATIONS AND DIFFERENTIAL DIAGNOSIS. 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.