HARDY. (1988). SUCCESSFUL BUSINESS STRATEGY. KOGAN PAGE LTD.
Chicago-čujuhus (17. p.)HARDY. SUCCESSFUL BUSINESS STRATEGY. LONDON: KOGAN PAGE LTD, 1988.
MLA-čujuhus (9. p.)HARDY. SUCCESSFUL BUSINESS STRATEGY. KOGAN PAGE LTD, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.