Creswell, J. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research, Global Edition (6.). Pearson Education Limited.
Цитирование в стиле Чикаго (17-е изд.)Creswell, John. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research, Global Edition. 6. Pearson Education Limited.
Цитирование MLA (8-е изд.)Creswell, John. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research, Global Edition. 6. Pearson Education Limited.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.