Salfield, S., & Salfield, N. (2006). Derek Julius Salfield. BMJ Publishing Group Ltd.
Citação norma ChicagoSalfield, Stephen, and Nicolas Salfield. Derek Julius Salfield. BMJ Publishing Group Ltd, 2006.
MLA CitationSalfield, Stephen, and Nicolas Salfield. Derek Julius Salfield. BMJ Publishing Group Ltd, 2006.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.