Milne-Thomson, L. M. (1968). Plane elastic systems (2d ed.). Springer Verlag.
Lua i Stíl Chicago (17ú heag.)Milne-Thomson, L. M. Plane Elastic Systems. 2d ed. Berlin: Springer Verlag, 1968.
Lua MLA (8ú heag.)Milne-Thomson, L. M. Plane Elastic Systems. 2d ed. Springer Verlag, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.