APA-čujuhus (7. p.)

Paul,Justin. (2019). Business Environment (4th.). McGraw Hill.

Chicago-čujuhus (17. p.)

Paul,Justin. Business Environment. 4th. Tamil Nadu: McGraw Hill, 2019.

MLA-čujuhus (9. p.)

Paul,Justin. Business Environment. 4th. McGraw Hill, 2019.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.