APA

National Institute for Physical Planning and, Construction Research. RS 372, . (1987). Road accident facts 1986. Dublin: National Institute for Physical Planning and.

Chicago

National Institute for Physical Planning and, Construction Research. RS 372, . 1987. Road accident facts 1986. Dublin: National Institute for Physical Planning and.

Harvard

National Institute for Physical Planning and, Construction Research. RS 372, . (1987). Road accident facts 1986. Dublin: National Institute for Physical Planning and.

MLA

National Institute for Physical Planning and, Construction Research. RS 372, . Road accident facts 1986. Dublin: National Institute for Physical Planning and. 1987.