Golan, R. (1995). Optimal wellness. New York: Ballantine Books.
Chicago Style aipamenaGolan, Ralph. Optimal Wellness. New York: Ballantine Books, 1995.
MLA aipamenaGolan, Ralph. Optimal Wellness. New York: Ballantine Books, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.