World Health Organization. Vaccines and Biologicals: Who vaccine-preventable diseases: monitoring system.
Chicagoスタイル(17版)引用形式World Health Organization. Vaccines and Biologicals: Who Vaccine-preventable Diseases: Monitoring System.
MLA(8版)引用形式World Health Organization. Vaccines and Biologicals: Who Vaccine-preventable Diseases: Monitoring System.
警告: この引用は必ずしも正確ではありません.