Longenecker, J. G. (1987). Small-business management. South-Western.
Chicago-čujuhus (17. p.)Longenecker, Justin G. Small-business Management. South-Western, 1987.
MLA-čujuhus (9. p.)Longenecker, Justin G. Small-business Management. South-Western, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.