APA-ийн эшлэл(7 дахь хэвлэлт)

Killingsworth, M. J., & Palmer, J. S. (2012). Ecospeak: Rhetoric and environmental politics in America (Pbk. ed.). Southern Illinois University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Killingsworth, M. Jimmie, ба Jacqueline S. Palmer. Ecospeak: Rhetoric and Environmental Politics in America. Pbk. ed. Carbondale: Southern Illinois University Press, 2012.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Killingsworth, M. Jimmie, ба Jacqueline S. Palmer. Ecospeak: Rhetoric and Environmental Politics in America. Pbk. ed. Southern Illinois University Press, 2012.