Fraenkel, J. R., & Wallen, N. E. (2019). How to design and evaluate research in education. McGraw-Hill.
Цитирование в стиле Чикаго (17-е изд.)Fraenkel, Jack R., и Norman E. Wallen. How to Design and Evaluate Research in Education. Boston: McGraw-Hill, 2019.
Цитирование MLA (9-е изд.)Fraenkel, Jack R., и Norman E. Wallen. How to Design and Evaluate Research in Education. McGraw-Hill, 2019.