Roberts , P. (2004). Liven up your meeting: 50 tried and tested ways. Infinity Books.
Chicago-čujuhus (17. p.)Roberts , Phelps. Liven Up Your Meeting: 50 Tried and Tested Ways. New Delhi: Infinity Books, 2004.
MLA-čujuhus (9. p.)Roberts , Phelps. Liven Up Your Meeting: 50 Tried and Tested Ways. Infinity Books, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.