Castañeda, E., Vacunas, S. R. d., Croup, P. A. H. O. P. S. S., Streptococcus, N. C. f., & Control, L. C. f. D. Epidemiological Surveillance Study of Streptococcus pneumoniae in Latin America: Serotype Distribution. A Pan American Health Organization Initiative. Wiley.
Chicago Style (17th ed.) CitationCastañeda, Elizabeth, Sistema Regional de Vacunas, Pan American Health Organization Pneumococcal Surveillance Study Croup, National Centre for Streptococcus, and Laboratory Centre for Disease Control. Epidemiological Surveillance Study of Streptococcus Pneumoniae in Latin America: Serotype Distribution. A Pan American Health Organization Initiative. Wiley.
MLA (9th ed.) CitationCastañeda, Elizabeth, et al. Epidemiological Surveillance Study of Streptococcus Pneumoniae in Latin America: Serotype Distribution. A Pan American Health Organization Initiative. Wiley.