Cross Rob & Andrew Parker. (2004). Hidden Power of Social Networks. HBSP.
Chicago-čujuhus (17. p.)Cross Rob juo Andrew Parker. Hidden Power of Social Networks. U.S.A: HBSP, 2004.
MLA-čujuhus (9. p.)Cross Rob juo Andrew Parker. Hidden Power of Social Networks. HBSP, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.