Ludlam, C. A. (2004). Samuel Howard Davies. BMJ Publishing Group Ltd.
Chicago Style aipamenaLudlam, Christopher A. Samuel Howard Davies. BMJ Publishing Group Ltd, 2004.
MLA aipamenaLudlam, Christopher A. Samuel Howard Davies. BMJ Publishing Group Ltd, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.