Langley, J. M., & Feightner, J. (2005). Influenza vaccine for all? Canadian Medical Association.
Chicago Style CitationLangley, Joanne M., i John Feightner. Influenza Vaccine for All? Canadian Medical Association, 2005.
Cita MLALangley, Joanne M., i John Feightner. Influenza Vaccine for All? Canadian Medical Association, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.