Bethel, L. (1962). Industrial Organization and Managenent (4.). McGraw Hill.
Chicago-čujuhus (17. p.)Bethel, Lawrence. Industrial Organization and Managenent. 4. NewYork: McGraw Hill, 1962.
MLA-čujuhus (9. p.)Bethel, Lawrence. Industrial Organization and Managenent. 4. McGraw Hill, 1962.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.