Lees, R., & Smith, G. A. N. (1975). Action-research in community development. Routledge & K. Paul.
Chicago Style aipamenaLees, Ray, and George Antony Noel Smith. Action-research in Community Development. London ; Boston: Routledge & K. Paul, 1975.
MLA aipamenaLees, Ray, and George Antony Noel Smith. Action-research in Community Development. Routledge & K. Paul, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.