Hickman, L. (2008). A Good life: The guide to ethical living. Transworld.
Chicago Style aipamenaHickman, Leo. A Good Life: The Guide to Ethical Living. London: Transworld, 2008.
MLA aipamenaHickman, Leo. A Good Life: The Guide to Ethical Living. Transworld, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.