APA

Danish Council of Road Safety Research. Research memorandum No. 89, . (1973). Accidents with two-wheeled vehicles in traffic. uo: Danish Council of Road Safety Research. Research memorandum No. 89.

Chicago

Danish Council of Road Safety Research. Research memorandum No. 89, . 1973. Accidents with two-wheeled vehicles in traffic. uo: Danish Council of Road Safety Research. Research memorandum No. 89.

Harvard

Danish Council of Road Safety Research. Research memorandum No. 89, . (1973). Accidents with two-wheeled vehicles in traffic. uo: Danish Council of Road Safety Research. Research memorandum No. 89.

MLA

Danish Council of Road Safety Research. Research memorandum No. 89, . Accidents with two-wheeled vehicles in traffic. uo: Danish Council of Road Safety Research. Research memorandum No. 89. 1973.