Não informado. (2001). Scientific Publication. Pan American Health Organization.
Chicagoスタイル(17版)引用形式Não informado. Scientific Publication. Washington: Pan American Health Organization, 2001.
MLA(8版)引用形式Não informado. Scientific Publication. Pan American Health Organization, 2001.
警告: この引用は必ずしも正確ではありません.