Não informado. (1987). WHO drug information. World Health Organization.
Chicagoスタイル(17版)引用形式Não informado. WHO Drug Information. Geneva, Suíça: World Health Organization, 1987.
MLA(8版)引用形式Não informado. WHO Drug Information. World Health Organization, 1987.
警告: この引用は必ずしも正確ではありません.