Roberts , P. (2004). Liven up your meeting: 50 tried and tested ways. Infinity Books.
Style de citation Chicago (17e éd.)Roberts , Phelps. Liven Up Your Meeting: 50 Tried and Tested Ways. New Delhi: Infinity Books, 2004.
Style de citation MLA (9e éd.)Roberts , Phelps. Liven Up Your Meeting: 50 Tried and Tested Ways. Infinity Books, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.