Johnson, J. M. (1975). Doing field research. The Free Press.
Chicago-čujuhus (17. p.)Johnson, John M. Doing Field Research. The Free Press, 1975.
MLA-čujuhus (9. p.)Johnson, John M. Doing Field Research. The Free Press, 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.