Ary, D., Jacobs, L. C., Sorensen, C. K., & Walker, D. A. (2014). Introduction to research in education (Edition 9, International edition.). Wadsworth Cengage Learning.
Chicago Style (17th ed.) CitationAry, Donald, Lucy Cheser Jacobs, Christine K. Sorensen, and David A. Walker. Introduction to Research in Education. Edition 9, International edition. Australia: Wadsworth Cengage Learning, 2014.
MLA (9th ed.) CitationAry, Donald, et al. Introduction to Research in Education. Edition 9, International edition. Wadsworth Cengage Learning, 2014.
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