Sudman, S., & Blair, E. (1998). Marketing research: A problem-solving approach. McGraw-Hill.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSudman, Seymour, এবং Edward Blair. Marketing Research: A Problem-solving Approach. Boston: McGraw-Hill, 1998.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSudman, Seymour, এবং Edward Blair. Marketing Research: A Problem-solving Approach. McGraw-Hill, 1998.