APA-čujuhus (7. p.)
ebrary, Inc, Mangen, D. J., & Peterson, W. A. (1982). Research instruments in social gerontology. University of Minnesota Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, David J. Mangen, juo Warren A. Peterson. Research Instruments in Social Gerontology. Minneapolis, MN: University of Minnesota Press, 1982.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Research Instruments in Social Gerontology. University of Minnesota Press, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.