APA

Thornes J., Blackmore R., . (1977). Discussion of the value of winter maintenance procedures for the prevention of icy roads in Great Britain. London: London. University College. Department of Geography. Atmosphere-road Surface Interaction Study Group. Working paper 1.

Chicago

Thornes JE, Blackmore RA, . 1977. Discussion of the value of winter maintenance procedures for the prevention of icy roads in Great Britain. London: London. University College. Department of Geography. Atmosphere-road Surface Interaction Study Group. Working paper 1.

Harvard

Thornes J., Blackmore R., . (1977). Discussion of the value of winter maintenance procedures for the prevention of icy roads in Great Britain. London: London. University College. Department of Geography. Atmosphere-road Surface Interaction Study Group. Working paper 1.

MLA

Thornes JE, Blackmore RA, . Discussion of the value of winter maintenance procedures for the prevention of icy roads in Great Britain. London: London. University College. Department of Geography. Atmosphere-road Surface Interaction Study Group. Working paper 1. 1977.