Institution, 8. B. S. Specification for hand and breast drills.
Chicago-čujuhus (17. p.)Institution, 8096 British Standards. Specification for Hand and Breast Drills.
MLA-čujuhus (9. p.)Institution, 8096 British Standards. Specification for Hand and Breast Drills.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.