Παραπομπή APA

Andrews, R. M., & Moberley, S. A. (2009). Efficacy of pneumococcal polysaccharide vaccine. Canadian Medical Association.

Παραπομπή Chicago Style

Andrews, Ross M., και Sarah A. Moberley. Efficacy of Pneumococcal Polysaccharide Vaccine. Canadian Medical Association, 2009.

Παραπομπή MLA

Andrews, Ross M., και Sarah A. Moberley. Efficacy of Pneumococcal Polysaccharide Vaccine. Canadian Medical Association, 2009.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.