Paul, J. (2019). Business Environment (4th.). Mc Graw Hill.
Chicago-čujuhus (17. p.)Paul, Justin. Business Environment. 4th. Mc Graw Hill, 2019.
MLA-čujuhus (9. p.)Paul, Justin. Business Environment. 4th. Mc Graw Hill, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.