Holland, J., Blackburn, J., & Chambers, R. (1998). Whose voice?: Participatory research and policy change. Intermediate Technology.
Lua i Stíl Chicago (17ú heag.)Holland, Jeremy, James Blackburn, agus Robert Chambers. Whose Voice?: Participatory Research and Policy Change. London: Intermediate Technology, 1998.
Lua MLA (8ú heag.)Holland, Jeremy, et al. Whose Voice?: Participatory Research and Policy Change. Intermediate Technology, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.