Robertson, M. (2009). Influenza: One or two more questions. BioMed Central.
Chicago Style CitationRobertson, Miranda. Influenza: One or Two More Questions. BioMed Central, 2009.
Cita MLARobertson, Miranda. Influenza: One or Two More Questions. BioMed Central, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.