APA
Harre Rom, Brockmeier Jens, . (1999). Greenspeak : A study of environmental discourse. London: Sage Publications.
Chicago
Harre Rom, Brockmeier Jens, . 1999. Greenspeak : A study of environmental discourse. London: Sage Publications.
Harvard
Harre Rom, Brockmeier Jens, . (1999). Greenspeak : A study of environmental discourse. London: Sage Publications.
MLA
Harre Rom, Brockmeier Jens, . Greenspeak : A study of environmental discourse. London: Sage Publications. 1999.