Gregory, N. &. o. (2009). New Industries from New Places. world book.
Chicago-čujuhus (17. p.)Gregory, Neil & others. New Industries from New Places. [s.l]: world book, 2009.
MLA-čujuhus (9. p.)Gregory, Neil & others. New Industries from New Places. world book, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.