TobinAllan J. (1998). Asking about life. Saunders College.
Chicago Style aipamenaTobinAllan J. Asking About Life. Tokyo: Saunders College, 1998.
MLA aipamenaTobinAllan J. Asking About Life. Saunders College, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.