Hagenzieker, M. P. (1990). Visual perception and daytime running lights (DRL): A literature study. SWOV Institute for Road Safety Research, The Netherlands.
Παραπομπή σε μορφή Chicago (17η εκδ.)Hagenzieker, M. P. Visual Perception and Daytime Running Lights (DRL): A Literature Study. Leidschendam: SWOV Institute for Road Safety Research, The Netherlands, 1990.
Παραπομπή σε μορφή MLA (9th εκδ.)Hagenzieker, M. P. Visual Perception and Daytime Running Lights (DRL): A Literature Study. SWOV Institute for Road Safety Research, The Netherlands, 1990.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.