Dyfyniad APA

Sudman, S., & Blair, E. (1998). Marketing research: A problem-solving approach. McGraw-Hill.

Dyfyniad Arddull Chicago

Sudman, Seymour, and Edward Blair. Marketing Research: A Problem-solving Approach. Boston: McGraw-Hill, 1998.

Dyfyniad MLA

Sudman, Seymour, and Edward Blair. Marketing Research: A Problem-solving Approach. McGraw-Hill, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.