Blaxter, L., Hughes, C., & Tight, M. (2010). How to research (4th ed.). McGraw-Hill/Open University Press.
Chicago-čujuhus (17. p.)Blaxter, Loraine, Christina Hughes, juo Malcolm Tight. How to Research. 4th ed. Maidenhead, England: McGraw-Hill/Open University Press, 2010.
MLA-čujuhus (9. p.)Blaxter, Loraine, et al. How to Research. 4th ed. McGraw-Hill/Open University Press, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.