Fraenkel, J. R., Wallen, N. E., & Hyun, H. H. (2012). How to design and evaluate research in education (8th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationFraenkel, Jack R., Norman E. Wallen, and Helen H. Hyun. How to Design and Evaluate Research in Education. 8th ed. Nueva York: McGraw-Hill, 2012.
MLA (9th ed.) CitationFraenkel, Jack R., et al. How to Design and Evaluate Research in Education. 8th ed. McGraw-Hill, 2012.
Warning: These citations may not always be 100% accurate.