Jorgensen, D. L. (1989). Participant observation: A methodology for human studies. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Jorgensen, Danny L. Participant Observation: A Methodology for Human Studies. Newbury Park, Calif: Sage Publications, 1989.
Lua MLA (9ú heag.)Jorgensen, Danny L. Participant Observation: A Methodology for Human Studies. Sage Publications, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.