«A Regrettable Resignation». Los Angeles Times, 20-03-1990. [Consulta: 20 octubre 2016]. «Much of the success was attributed to the energy and flexibility of Mann's highly personal leadership.»
«American Chief of AIDS Program Quits in Tiff With WHO Leader». Los Angeles Times, 16-03-1990. [Consulta: 20 octubre 2016]. «WHO officials said privately that Nakajima wanted to dilute the considerable organizational autonomy that Mann had won for the AIDS program within WHO and that was the basic cause of friction between the two men.»