Davey, K. M., Jackson., D. J., McDowall, A., & Whiting., R. (2018). Principles of applied research methods (Second edition.). SAGE.
Chicago-čujuhus (17. p.)Davey, Kate Mackenzie, Duncan J.R Jackson., Almuth McDowall, juo Rebeca Whiting. Principles of Applied Research Methods. Second edition. London: SAGE, 2018.
MLA-čujuhus (9. p.)Davey, Kate Mackenzie, et al. Principles of Applied Research Methods. Second edition. SAGE, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.