APA

Hearne R., . (1976). Selected geometric elements and accident densities on the national network. Dublin: National Institute for Psysical Planning and Construction Research. RS 167.

Chicago

Hearne R, . 1976. Selected geometric elements and accident densities on the national network. Dublin: National Institute for Psysical Planning and Construction Research. RS 167.

Harvard

Hearne R., . (1976). Selected geometric elements and accident densities on the national network. Dublin: National Institute for Psysical Planning and Construction Research. RS 167.

MLA

Hearne R, . Selected geometric elements and accident densities on the national network. Dublin: National Institute for Psysical Planning and Construction Research. RS 167. 1976.