ebrary, Inc, Mangen, D. J., & Peterson, W. A. (1982). Research instruments in social gerontology. University of Minnesota Press.
Chicago Style (17th ed.) Citationebrary, Inc, David J. Mangen, and Warren A. Peterson. Research Instruments in Social Gerontology. Minneapolis, MN: University of Minnesota Press, 1982.
MLA (9th ed.) Citationebrary, Inc, et al. Research Instruments in Social Gerontology. University of Minnesota Press, 1982.
Warning: These citations may not always be 100% accurate.