National Research Council (U.S.). Building Research Institute. (1960). Sandwich panel design criteria. National Academy of Sciences, National Research Council.
Lua i Stíl Chicago (17ú heag.)National Research Council (U.S.). Building Research Institute. Sandwich Panel Design Criteria. Wash.: National Academy of Sciences, National Research Council, 1960.
Lua MLA (8ú heag.)National Research Council (U.S.). Building Research Institute. Sandwich Panel Design Criteria. National Academy of Sciences, National Research Council, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.