APA

Helmers G., Ytterbom U., . (1984). Visibility effects of a rapidly fading high beam as an option to the ordinary low beam. Linköping: Statens Väg- och Trafikinstitut. VTI Rapport 275A.

Chicago

Helmers G, Ytterbom U, . 1984. Visibility effects of a rapidly fading high beam as an option to the ordinary low beam. Linköping: Statens Väg- och Trafikinstitut. VTI Rapport 275A.

Harvard

Helmers G., Ytterbom U., . (1984). Visibility effects of a rapidly fading high beam as an option to the ordinary low beam. Linköping: Statens Väg- och Trafikinstitut. VTI Rapport 275A.

MLA

Helmers G, Ytterbom U, . Visibility effects of a rapidly fading high beam as an option to the ordinary low beam. Linköping: Statens Väg- och Trafikinstitut. VTI Rapport 275A. 1984.