Dyfyniad APA

Abbott, M., & McKinney, J. (2013). Understanding and applying research design. John Wiley & Sons, Inc..

Dyfyniad Arddull Chicago

Abbott, Martin, and Jennifer McKinney. Understanding and Applying Research Design. Hoboken, N.J.: John Wiley & Sons, Inc., 2013.

Dyfyniad MLA

Abbott, Martin, and Jennifer McKinney. Understanding and Applying Research Design. John Wiley & Sons, Inc., 2013.

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