Calderon Mayra, Foster Tom, & Smart Warriors. Time and motion study.
Chicago-čujuhus (17. p.)Calderon Mayra, Foster Tom, juo Smart Warriors. Time and Motion Study.
MLA-čujuhus (9. p.)Calderon Mayra, et al. Time and Motion Study.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.