O. Preston, R. (1981). Successful retail salesmanship. DB Tharapoorvala.
Chicago Edition CitationO. Preston, Robinson. Successful Retail Salesmanship. Bombay: DB Tharapoorvala, 1981.
MLA Edition CitationO. Preston, Robinson. Successful Retail Salesmanship. DB Tharapoorvala, 1981.
Warning: These citations may not always be 100% accurate.