Sudman, S., & Blair, E. (1998). Marketing research: A problem-solving approach. McGraw-Hill.
Chicago-viite (17. p.)Sudman, Seymour, ja Edward Blair. Marketing Research: A Problem-solving Approach. Boston: McGraw-Hill, 1998.
MLA-viite (9. p.)Sudman, Seymour, ja Edward Blair. Marketing Research: A Problem-solving Approach. McGraw-Hill, 1998.