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.
Citace podle Chicago (17th 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.
Citace podle MLA (8th 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.
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