Martin, J. S. (1976). E. M. Forster: The endless journey. Cambridge University Press.
Chicago Style aipamenaMartin, John Sayre. E. M. Forster: The Endless Journey. Cambridge, [Eng.] ; New York: Cambridge University Press, 1976.
MLA aipamenaMartin, John Sayre. E. M. Forster: The Endless Journey. Cambridge University Press, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.