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.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States. Federal Transit Administration, Transit Cooperative Research Program, Transit Development Corporation, National Research Council (U.S.). Transportation Research Board, και Science Applications International Corporation. Public Transportation Security. Washington, D.C: Transportation Research Board, 2006.
Παραπομπή σε μορφή MLA (9th εκδ.)United States. Federal Transit Administration, et al. Public Transportation Security. Transportation Research Board, 2006.