APA

Großbritannien, . (1981). A manual of practice on automatic traffic counting. London: Department of Transport.

Chicago

Großbritannien, . 1981. A manual of practice on automatic traffic counting. London: Department of Transport.

Harvard

Großbritannien, . (1981). A manual of practice on automatic traffic counting. London: Department of Transport.

MLA

Großbritannien, . A manual of practice on automatic traffic counting. London: Department of Transport. 1981.