Παραπομπή σε μορφή APA (7η εκδ.)

National Research Council. Highway Research Board. (1971). Design of traffic safety barriers; 10 reports. s.n.

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Research Council. Highway Research Board. Design of Traffic Safety Barriers; 10 Reports. Washington: s.n, 1971.

Παραπομπή σε μορφή MLA (9th εκδ.)

National Research Council. Highway Research Board. Design of Traffic Safety Barriers; 10 Reports. s.n, 1971.