(2013). Etymologia: Diphtheria. Centers for Disease Control and Prevention.
シカゴスタイル引用形Etymologia: Diphtheria. Centers for Disease Control and Prevention, 2013.
MLA引用形式Etymologia: Diphtheria. Centers for Disease Control and Prevention, 2013.
警告: この引用は必ずしも正確ではありません.