Craik, K. J. W. (1967). Nature of explanation. Cambridge University Press.
Chicago Style aipamenaCraik, K. J. W. Nature of Explanation. Cambridge University Press, 1967.
MLA aipamenaCraik, K. J. W. Nature of Explanation. Cambridge University Press, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.