U.S. Bureau of Public Assistance & Wilkens, A. (1950). The training center, a method of staff development; a report prepared by Anne Wilkens, training consultant, Division of Technical Training. Federal Security Agency, Social Security Administration, Bureau of Public Assistance, Division of Technical Training.
Lua i Stíl Chicago (17ú heag.)U.S. Bureau of Public Assistance agus Anne Wilkens. The Training Center, a Method of Staff Development; a Report Prepared by Anne Wilkens, Training Consultant, Division of Technical Training. Washington: Federal Security Agency, Social Security Administration, Bureau of Public Assistance, Division of Technical Training, 1950.
Lua MLA (9ú heag.)U.S. Bureau of Public Assistance agus Anne Wilkens. The Training Center, a Method of Staff Development; a Report Prepared by Anne Wilkens, Training Consultant, Division of Technical Training. Federal Security Agency, Social Security Administration, Bureau of Public Assistance, Division of Technical Training, 1950.