Sudman, S., & Blair, E. (1998). Marketing research: A problem-solving approach. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSudman, Seymour, और Edward Blair. Marketing Research: A Problem-solving Approach. Boston: McGraw-Hill, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSudman, Seymour, और Edward Blair. Marketing Research: A Problem-solving Approach. McGraw-Hill, 1998.