Wharton, S. (2008). How to feel great about yourself. Macmillan.
Chicago Style aipamenaWharton, Steve. How to Feel Great About Yourself. Delhi: Macmillan, 2008.
MLA aipamenaWharton, Steve. How to Feel Great About Yourself. Macmillan, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.