Leedy, P. D., & Ormrod, J. E. (2016). Practical research: Planning and design (Eleventh edition.). Pearson.
Chicago Style (17th ed.) CitationLeedy, Paul D., and Jeanne Ellis Ormrod. Practical Research: Planning and Design. Eleventh edition. Boston: Pearson, 2016.
MLA (8th ed.) CitationLeedy, Paul D., and Jeanne Ellis Ormrod. Practical Research: Planning and Design. Eleventh edition. Pearson, 2016.
Warning: These citations may not always be 100% accurate.