MacDorman, L. C. (1985). Extraboard management: Procedures and tools. Transportation Research Board, National Research Council.
Lua i Stíl Chicago (17ú heag.)MacDorman, Littleton C. Extraboard Management: Procedures and Tools. Washington, D.C: Transportation Research Board, National Research Council, 1985.
Lua MLA (9ú heag.)MacDorman, Littleton C. Extraboard Management: Procedures and Tools. Transportation Research Board, National Research Council, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.