APA-čujuhus (7. p.)
CAMPBELL, M., & ET AL. (1999). IS DISABILITY DECLINING AMONG THE ELDERLY?. TRENDS AND IMPLICATIONS FOR THE NEXT MILLENNIUM.
Chicago-čujuhus (17. p.)
CAMPBELL, M.L, juo ET AL. IS DISABILITY DECLINING AMONG THE ELDERLY?. TRENDS AND IMPLICATIONS FOR THE NEXT MILLENNIUM. 1999.
MLA-čujuhus (9. p.)
CAMPBELL, M.L, juo ET AL. IS DISABILITY DECLINING AMONG THE ELDERLY?. TRENDS AND IMPLICATIONS FOR THE NEXT MILLENNIUM. 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.