Johnson, J. (1978). Doing field research. Free press.
Lua i Stíl Chicago (17ú heag.)Johnson, John. Doing Field Research. New York: Free press, 1978.
Lua MLA (9ú heag.)Johnson, John. Doing Field Research. Free press, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.