Παραπομπή σε μορφή APA (7η εκδ.)

National Research Council (U.S.). Transportation Research Board. (1992). Maintenance research problem statements. Transportation Research Board.

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Research Council (U.S.). Transportation Research Board. Maintenance Research Problem Statements. Washington, D.C: Transportation Research Board, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

National Research Council (U.S.). Transportation Research Board. Maintenance Research Problem Statements. Transportation Research Board, 1992.