Holland, J., & Campbell, J. (2005). Methods in development research: Combining qualitative and quantitative approaches. Practical Action Publishing.
Chicago-Zitierstil (17. Ausg.)Holland, Jeremy, und John Campbell. Methods in Development Research: Combining Qualitative and Quantitative Approaches. Rugby, Warwickshire, UK: Practical Action Publishing, 2005.
MLA-Zitierstil (9. Ausg.)Holland, Jeremy, und John Campbell. Methods in Development Research: Combining Qualitative and Quantitative Approaches. Practical Action Publishing, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.