Fraenkel, J. R., & Wallen, N. E. (1990). How to design and evaluate research in education. McGraw-Hill.
Chicago Style (17th ed.) CitationFraenkel, Jack R., and Norman E. Wallen. How to Design and Evaluate Research in Education. New York u.a: McGraw-Hill, 1990.
MLA (9th ed.) CitationFraenkel, Jack R., and Norman E. Wallen. How to Design and Evaluate Research in Education. McGraw-Hill, 1990.
Warning: These citations may not always be 100% accurate.