Não informado. (2000). Mechanics of Cohesive-Frictional Materials. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Não informado. Mechanics of Cohesive-Frictional Materials. Chichester, Inglaterra: John Wiley & Sons, 2000.
Lua MLA (8ú heag.)Não informado. Mechanics of Cohesive-Frictional Materials. John Wiley & Sons, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.