Cita APA (7a ed.)
Creswell, J. W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches (4a edición.). Sage.
Cita estilo Chicago (17a ed.)
Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4a edición. Los Angeles, EUA: Sage.
Cita MLA (9a ed.)
Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 4a edición. Sage.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.