United States. Federal Transit Administration, Transit Cooperative Research Program, Transit Development Corporation, National Research Council (U.S.). Transportation Research Board, & Science Applications International Corporation. (2006). Public transportation security. Transportation Research Board.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Federal Transit Administration, Transit Cooperative Research Program, Transit Development Corporation, National Research Council (U.S.). Transportation Research Board, و Science Applications International Corporation. Public Transportation Security. Washington, D.C: Transportation Research Board, 2006.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United States. Federal Transit Administration, et al. Public Transportation Security. Transportation Research Board, 2006.