APA aipamena

Spence, D. (2007). Flagging up a necessary division. BMJ Publishing Group Ltd.

Chicago Style aipamena

Spence, Des. Flagging Up a Necessary Division. BMJ Publishing Group Ltd, 2007.

MLA aipamena

Spence, Des. Flagging Up a Necessary Division. BMJ Publishing Group Ltd, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.