Lua APA (7ú heag.)

National Research Council (U.S.). Highway Research Board. (1973). Freeway operational improvements. National Academy of Science - National Research Council.

Lua i Stíl Chicago (17ú heag.)

National Research Council (U.S.). Highway Research Board. Freeway Operational Improvements. Washington, D.C: National Academy of Science - National Research Council, 1973.

Lua MLA (9ú heag.)

National Research Council (U.S.). Highway Research Board. Freeway Operational Improvements. National Academy of Science - National Research Council, 1973.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.