Sisk, H. L. (1981). Management and organization (4ª ed.). South-Western.
Chicago-čujuhus (17. p.)Sisk, Henry L. Management and Organization. 4ª ed. South-Western, 1981.
MLA-čujuhus (9. p.)Sisk, Henry L. Management and Organization. 4ª ed. South-Western, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.