Monro, D. H. (1967). Empiricism and ethics. Cambridge University Press.
Chicago Style aipamenaMonro, D. H. Empiricism and Ethics. Cambridge: Cambridge University Press, 1967.
MLA aipamenaMonro, D. H. Empiricism and Ethics. Cambridge University Press, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.