Clayton, M. Brilliant Influence: What the Most Influential People Know, Do and Say (1.). Pearson Education UK.
Citazione stile Chigago Style (17a edizione)Clayton, Mike. Brilliant Influence: What the Most Influential People Know, Do and Say. 1. Pearson Education UK.
Citatione MLA (8a ed.)Clayton, Mike. Brilliant Influence: What the Most Influential People Know, Do and Say. 1. Pearson Education UK.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.