McGeehan, D. D., & Samuel, L. H. (1988). Underwater bridge inspection programs: A summary of a workshop. Transportation Research Board, National Research Council.
Lua i Stíl Chicago (17ú heag.)McGeehan, Daniel D., agus Lynn H. Samuel. Underwater Bridge Inspection Programs: A Summary of a Workshop. Washington, D.C: Transportation Research Board, National Research Council, 1988.
Lua MLA (9ú heag.)McGeehan, Daniel D., agus Lynn H. Samuel. Underwater Bridge Inspection Programs: A Summary of a Workshop. Transportation Research Board, National Research Council, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.