Ashton, J. (2012). The Cambridge companion to American poetry since 1945. Cambridge University Press.
Dyfyniad Arddull ChicagoAshton, Jennifer. The Cambridge Companion to American Poetry Since 1945. New York: Cambridge University Press, 2012.
Dyfyniad MLAAshton, Jennifer. The Cambridge Companion to American Poetry Since 1945. Cambridge University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.