APA aipamena

Eaton, L. (2002). UK government approves heroin use on prescription. BMJ.

Chicago Style aipamena

Eaton, Lynn. UK Government Approves Heroin Use On Prescription. BMJ, 2002.

MLA aipamena

Eaton, Lynn. UK Government Approves Heroin Use On Prescription. BMJ, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.