Goldstein, M. (2009). Games at Work. St. Martin's Griffin.
Chicago-čujuhus (17. p.)Goldstein, Mauricio. Games at Work. St. Martin's Griffin, 2009.
MLA-čujuhus (9. p.)Goldstein, Mauricio. Games at Work. St. Martin's Griffin, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.