Bourne, J. G. (1960). Nitrous oxide in dentistry; its danger and alternatives. Year Book Pub.
Chicago Style aipamenaBourne, James Gerald. Nitrous Oxide in Dentistry; Its Danger and Alternatives. Chicago: Year Book Pub, 1960.
MLA aipamenaBourne, James Gerald. Nitrous Oxide in Dentistry; Its Danger and Alternatives. Year Book Pub, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.