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. New York: 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.