Hendry, A. W. (1966). Photo-elastic analysis. Pergamon.
Lua i Stíl Chicago (17ú heag.)Hendry, Arnold W. Photo-elastic Analysis. Oxford: Pergamon, 1966.
Lua MLA (8ú heag.)Hendry, Arnold W. Photo-elastic Analysis. Pergamon, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.