Telephonics Corporation, United States. Federal Transit Administration, & National Research Council (U.S.). Transportation Research Board. (1995). Aids for rail car side-door observation. National Academy Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Telephonics Corporation, United States. Federal Transit Administration, και National Research Council (U.S.). Transportation Research Board. Aids for Rail Car Side-door Observation. Washington, D.C: National Academy Press, 1995.
Παραπομπή σε μορφή MLA (9th εκδ.)Telephonics Corporation, et al. Aids for Rail Car Side-door Observation. National Academy Press, 1995.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.