Παραπομπή APA

O'Flaherty, C. (1997). Transport planning and traffic engineering. Butterworth-Heinemann.

Παραπομπή Chicago Style

O'Flaherty, C.A. Transport Planning and Traffic Engineering. Oxford: Butterworth-Heinemann, 1997.

Παραπομπή MLA

O'Flaherty, C.A. Transport Planning and Traffic Engineering. Butterworth-Heinemann, 1997.