Bolling, C. L. (1930). Retail Salesmanship: A Practical Guide to Modern Methods of Sales Persuasion Demonstration and service (2nd ed.). Isaac Pitman.
Citação norma ChicagoBolling, Cunliffe L. Retail Salesmanship: A Practical Guide to Modern Methods of Sales Persuasion Demonstration and Service. 2nd ed. London: Isaac Pitman, 1930.
Citação norma MLABolling, Cunliffe L. Retail Salesmanship: A Practical Guide to Modern Methods of Sales Persuasion Demonstration and Service. 2nd ed. Isaac Pitman, 1930.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.