michael, V. (2001). Business policy and environment. S. Chand.
Chicago-čujuhus (17. p.)michael, V.P. Business Policy and Environment. [s.l]: S. Chand, 2001.
MLA-čujuhus (9. p.)michael, V.P. Business Policy and Environment. S. Chand, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.