Hackman, J2017-04-072009Hackman, J. Richard. 2009. “Joseph E. McGrath (1927–2007).” American Psychologist 64 (3): 217–217. doi:10.1037/a0015258.1935-990Xhttp://nrs.harvard.edu/urn-3:HUL.InstRepos:32095396en-USJoseph E. McGrath (1927–2007).Journal Article10.1037/a0015258