APA aipamena

Hopkins, R. (2005). In the bad old days. BMJ Publishing Group Ltd.

Chicago Style aipamena

Hopkins, Russell. In the Bad Old Days. BMJ Publishing Group Ltd, 2005.

MLA aipamena

Hopkins, Russell. In the Bad Old Days. BMJ Publishing Group Ltd, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.