Dyfyniad APA

Cooper, D. R., & Schindler, P. S. (2014). Business research methods. New York: McGraw Hill.

Dyfyniad Arddull Chicago

Cooper, Donald R., và Pamela S. Schindler. Business Research Methods. New York: McGraw Hill, 2014.

Dyfyniad MLA

Cooper, Donald R., và Pamela S. Schindler. Business Research Methods. New York: McGraw Hill, 2014.

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