APA

Williams M., . (1980). Tabulations of 1977 road casualties indicating risks of injury to road users in relation to vehicles involved. Crowthorne: Transport and Road Research Laboratory. Supplementary report no 576.

Chicago

Williams MC, . 1980. Tabulations of 1977 road casualties indicating risks of injury to road users in relation to vehicles involved. Crowthorne: Transport and Road Research Laboratory. Supplementary report no 576.

Harvard

Williams M., . (1980). Tabulations of 1977 road casualties indicating risks of injury to road users in relation to vehicles involved. Crowthorne: Transport and Road Research Laboratory. Supplementary report no 576.

MLA

Williams MC, . Tabulations of 1977 road casualties indicating risks of injury to road users in relation to vehicles involved. Crowthorne: Transport and Road Research Laboratory. Supplementary report no 576. 1980.