BEER, F. P. (1988). Vector Mechanics For Engineers Statics Ferdinand P. Beer, E. Russel Johnston. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)BEER, Ferdinand P. Vector Mechanics For Engineers Statics Ferdinand P. Beer, E. Russel Johnston. McGraw-Hill, 1988.
Lua MLA (8ú heag.)BEER, Ferdinand P. Vector Mechanics For Engineers Statics Ferdinand P. Beer, E. Russel Johnston. McGraw-Hill, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.