Tolong jelaskan mengenai Rujukan dari Joseph N. Crowley dalam bahasa melayu

San Jose State biography of Crowley (archived from 2004)

Who is Joe Crowley?  Joe Crowley Student Union, University of Nevada, Reno, accessed October 19, 2015

Joe Crowley: 22 years of history at the University of Nevada, Reno September 1, 2000 Nevada Business Magazine, accessed October 19, 2015.

Guide to the Records of the President of the University of Nevada, Reno, Joseph N. Crowley AC 0548  University Archives, University Libraries. University of Nevada, Reno, accessed October 19, 2015.