(1992). Structural technology 1 / David M. Berg, Robert Marks.
Chicago-čujuhus (17. p.)Structural Technology 1 / David M. Berg, Robert Marks. 1992.
MLA-čujuhus (9. p.)Structural Technology 1 / David M. Berg, Robert Marks. 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.