DAVIDSON W R. (1988). INSTRUCTOR`S MANUAL RETAILING MANAGEMENT (6TH.). JOHN WILEY AND SONS.
Cita Chicago (17th ed.)DAVIDSON W R. INSTRUCTOR`S MANUAL RETAILING MANAGEMENT. 6TH. JOHN WILEY AND SONS, 1988.
Cita MLA (9th ed.)DAVIDSON W R. INSTRUCTOR`S MANUAL RETAILING MANAGEMENT. 6TH. JOHN WILEY AND SONS, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.