Punch, Keith F. Introduction to Social Research: Quantitative and Qualitative Approaches [online]. Third edition. London: SAGE Publications, Ltd. (UK), 2013
Punch, K. F. (2013). Introduction to Social Research: Quantitative and Qualitative Approaches (Third edition.). London: SAGE Publications, Ltd. (UK).
Styl ChicagoPunch, Keith F. Introduction to Social Research: Quantitative and Qualitative Approaches. Third edition. London: SAGE Publications, Ltd. (UK), 2013.
Citace podle MLAPunch, Keith F. Introduction to Social Research: Quantitative and Qualitative Approaches. Third edition. London: SAGE Publications, Ltd. (UK), 2013.
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