APA (7th ed.) Zitazioa

(1978). Characteristics of urban transportation demand: A handbook for transportation planners. National Technical Information Service.

Chicago Style (17th ed.) Zitazioa

Characteristics of Urban Transportation Demand: A Handbook for Transportation Planners. Alexandría: National Technical Information Service, 1978.

MLA (9th ed.) Zitazioa

Characteristics of Urban Transportation Demand: A Handbook for Transportation Planners. National Technical Information Service, 1978.