Beer, F. P. 1., Johnston, E. R. 1., & DeWolf, J. T. (1992). Mechanics of materials (2nd ed. in SI units.). London: McGraw-Hill.
Παραπομπή Chicago StyleBeer, Ferdinand P. 1915-2003., E. Russell 1925-2010 Johnston, and John T. DeWolf. Mechanics of Materials. 2nd ed. in SI units. London: McGraw-Hill, 1992.
Παραπομπή MLABeer, Ferdinand P. 1915-2003., E. Russell 1925-2010 Johnston, and John T. DeWolf. Mechanics of Materials. 2nd ed. in SI units. London: McGraw-Hill, 1992.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.