Não informado. (1982). International health news. National Council for International Health.
Chicagoスタイル(17版)引用形式Não informado. International Health News. Washington: National Council for International Health, 1982.
MLA(8版)引用形式Não informado. International Health News. National Council for International Health, 1982.
警告: この引用は必ずしも正確ではありません.