Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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