Harvard Bus. school. (2015). 20MM Performance Reviews. Harvard Bus. School.
Chicago-čujuhus (17. p.)Harvard Bus. school. 20MM Performance Reviews. Boston: Harvard Bus. School, 2015.
MLA-čujuhus (9. p.)Harvard Bus. school. 20MM Performance Reviews. Harvard Bus. School, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.