Não informado. (1933). Journal of Applied Mechanics. American Society of Mechanical Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Applied Mechanics. New York: American Society of Mechanical Engineers, 1933.
Lua MLA (8ú heag.)Não informado. Journal of Applied Mechanics. American Society of Mechanical Engineers, 1933.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.