(1983). Acute respiratorio infections in children. s.n.
芝加哥风格引文Acute Respiratorio Infections in Children. Washington, D.C: s.n, 1983.
MLA引文Acute Respiratorio Infections in Children. s.n, 1983.
警告：这些引文格式不一定是100％准确.
APA引文
(1983). Acute respiratorio infections in children. s.n.
芝加哥风格引文Acute Respiratorio Infections in Children. Washington, D.C: s.n, 1983.
MLA引文Acute Respiratorio Infections in Children. s.n, 1983.