Oakley, L., Renfrew, M., Kurinczuk, J., & Quigley, M. (2013). Factors associated with breastfeeding in England: An analysis by primary care trust. BMJ Publishing Group.
Chicago-referens (17:e uppl.)Oakley, L., M. Renfrew, J. Kurinczuk, och M. Quigley. Factors Associated with Breastfeeding in England: An Analysis by Primary Care Trust. BMJ Publishing Group, 2013.
MLA-referens (9:e uppl.)Oakley, L., et al. Factors Associated with Breastfeeding in England: An Analysis by Primary Care Trust. BMJ Publishing Group, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.