Bird, T. Brilliant Selling 2nd edn: What the best salespeople know, do and say : What the best salespeople know, do and say (2.). Pearson Education UK.
Citação do estilo Chicago (17ª ed.)Bird, Tom;Cassell. Brilliant Selling 2nd Edn: What the Best Salespeople Know, Do and Say : What the Best Salespeople Know, Do and Say. 2. Pearson Education UK.
Citação MLA (8ª ed.)Bird, Tom;Cassell. Brilliant Selling 2nd Edn: What the Best Salespeople Know, Do and Say : What the Best Salespeople Know, Do and Say. 2. Pearson Education UK.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.