ebrary, Inc, Mangen, D. J., & Peterson, W. A. (1982). Research instruments in social gerontology. University of Minnesota Press.
Successfully copied to clipboard
Copying to clipboard failed
Dyfyniad Arddull Chicago
ebrary, Inc, David J. Mangen, and Warren A. Peterson. Research Instruments in Social Gerontology. Minneapolis, MN: University of Minnesota Press, 1982.
Successfully copied to clipboard
Copying to clipboard failed
Dyfyniad MLA
ebrary, Inc, et al. Research Instruments in Social Gerontology. University of Minnesota Press, 1982.
Successfully copied to clipboard
Copying to clipboard failed
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.