Rom Harre. (1998). Greenspeak: A study of environmental discourse. Sage Publications, Inc..
Chicago Style aipamenaRom Harre. Greenspeak: A Study of Environmental Discourse. London: Sage Publications, Inc., 1998.
MLA aipamenaRom Harre. Greenspeak: A Study of Environmental Discourse. Sage Publications, Inc., 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.