APA

Perret K., Hopkin J. & Donald R. (1989). Effects of the first year of the 1985 Transport Act on Merseyside. Crowthorne: Transport and Road Research Laboratory.

Chicago

Perret K, Hopkin Jean and Donald R. 1989. Effects of the first year of the 1985 Transport Act on Merseyside. Crowthorne: Transport and Road Research Laboratory.

Harvard

Perret K., Hopkin J. and Donald R. (1989). Effects of the first year of the 1985 Transport Act on Merseyside. Crowthorne: Transport and Road Research Laboratory.

MLA

Perret K, Hopkin Jean and Donald R. Effects of the first year of the 1985 Transport Act on Merseyside. Crowthorne: Transport and Road Research Laboratory. 1989.