Johnson, J. M. (1975). Doing field research. The Free Press.
Lua i Stíl Chicago (17ú heag.)Johnson, John M. Doing Field Research. New York: The Free Press, 1975.
Lua MLA (9ú heag.)Johnson, John M. Doing Field Research. The Free Press, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.