Monette, D. R., DeJong, C. R., Hilton, T., & Sullivan, T. J. (2014). Applied social research: A tool for the human services (Ninth edition.). Brooks/Cole, Cengage Learning.

Monette, Duane R., Cornell R. DeJong, Timothy Hilton, and Thomas J. Sullivan. Applied Social Research: A Tool for the Human Services. Ninth edition. Belmont, CA: Brooks/Cole, Cengage Learning, 2014.

Monette, Duane R., et al. Applied Social Research: A Tool for the Human Services. Ninth edition. Brooks/Cole, Cengage Learning, 2014.