Pernin, Christopher G; Shah, Akhil R; Wilson, Peter A; Sollinger, Jerry M; Axelband, Elliot; Drezner, Jeffrey A; Dille, Brian B; RAND Corporation 2013 Pehmeäkantinen kirja
Kim, Yool; Sollinger, Jerry M; York, Erin; Arena, Mark V; Blickstein, Irv; Shelton, William; Axelband, Elliot; Doll, Abby; Eisma RAND Corporation 2015 Pehmeäkantinen kirja