APA-čujuhus (7. p.)
Foundation design and construction / Tomlinson, M. J: Pitmen and sons.
Chicago-čujuhus (17. p.)
Foundation Design and Construction / Tomlinson, M. J: Pitmen and Sons.
MLA-čujuhus (9. p.)
Foundation Design and Construction / Tomlinson, M. J: Pitmen and Sons.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.