Παραπομπή σε μορφή APA (7η εκδ.)

National Research Council (U.S.). Highway Research Board. (1973). Education in transportation systems planning: 5 reports prepared for the 52nd annual meeting. National Academy of Science - National Research Council.

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Research Council (U.S.). Highway Research Board. Education in Transportation Systems Planning: 5 Reports Prepared for the 52nd Annual Meeting. Washington, D.C: National Academy of Science - National Research Council, 1973.

Παραπομπή σε μορφή MLA (9th εκδ.)

National Research Council (U.S.). Highway Research Board. Education in Transportation Systems Planning: 5 Reports Prepared for the 52nd Annual Meeting. National Academy of Science - National Research Council, 1973.