Style de citation APA (7e éd.)

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.

Style de citation Chicago (17e éd.)

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.

Style de citation MLA (8e éd.)

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.