APA

Curtayne P., . (1987). Calibrating the relationship between operating costs of buses and road roughness on low-volume roads. : Transportation Research Record.

Chicago

Curtayne PC, . 1987. Calibrating the relationship between operating costs of buses and road roughness on low-volume roads. : Transportation Research Record.

Harvard

Curtayne P., . (1987). Calibrating the relationship between operating costs of buses and road roughness on low-volume roads. : Transportation Research Record.

MLA

Curtayne PC, . Calibrating the relationship between operating costs of buses and road roughness on low-volume roads. : Transportation Research Record. 1987.