Bryman, A. (2012). Social Research Methods (4th ed.). Oxford University Press.
Chicago-čujuhus (17. p.)Bryman, Alan. Social Research Methods. 4th ed. New York: Oxford University Press, 2012.
MLA-čujuhus (9. p.)Bryman, Alan. Social Research Methods. 4th ed. Oxford University Press, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.