Davey, K. M., Jackson., D. J., McDowall, A., & Whiting., R. (2018). Principles of applied research methods (Second edition.). SAGE.
Chicago Style (17th ed.) ZitazioaDavey, Kate Mackenzie, Duncan J.R Jackson., Almuth McDowall, eta Rebeca Whiting. Principles of Applied Research Methods. Second edition. London: SAGE, 2018.
MLA (9th ed.) ZitazioaDavey, Kate Mackenzie, et al. Principles of Applied Research Methods. Second edition. SAGE, 2018.
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