Powell, T. (1996). How Much Does Industry Matter?: An Alternative Empirical Test.
Chicago-čujuhus (17. p.)Powell, T. How Much Does Industry Matter?: An Alternative Empirical Test. 1996.
MLA-čujuhus (9. p.)Powell, T. How Much Does Industry Matter?: An Alternative Empirical Test. 1996.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.