Stretton, H. (1976). Capitalism, Socialism and the Environment. Cambridge University Press.
Chicago Style aipamenaStretton, Hugh. Capitalism, Socialism and the Environment. London: Cambridge University Press, 1976.
MLA aipamenaStretton, Hugh. Capitalism, Socialism and the Environment. Cambridge University Press, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.