HORNBOSTEL, C., & HORNBOSTEL, C. (1978). Construction Materials. John Wiley.
Lua i Stíl Chicago (17ú heag.)HORNBOSTEL, Caleb, agus Caleb HORNBOSTEL. Construction Materials. John Wiley, 1978.
Lua MLA (8ú heag.)HORNBOSTEL, Caleb, agus Caleb HORNBOSTEL. Construction Materials. John Wiley, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.