APA

Dawson R., Oppenlander J., . (1971). General design. : Traffic control & roadway elements - their relationships to highway safety. Chapter 11.

Chicago

Dawson RF, Oppenlander JC, . 1971. General design. : Traffic control & roadway elements - their relationships to highway safety. Chapter 11.

Harvard

Dawson R., Oppenlander J., . (1971). General design. : Traffic control & roadway elements - their relationships to highway safety. Chapter 11.

MLA

Dawson RF, Oppenlander JC, . General design. : Traffic control & roadway elements - their relationships to highway safety. Chapter 11. 1971.