Não informado. (1969). American Medical News. American Medical Association.
Chicagoスタイル(17版)引用形式Não informado. American Medical News. Chicago, Ill: American Medical Association, 1969.
MLA(8版)引用形式Não informado. American Medical News. American Medical Association, 1969.
警告: この引用は必ずしも正確ではありません.