Não informado. (1920). Journal of Radiology. Radiological Society of North America.
Chicagoスタイル(17版)引用形式Não informado. Journal of Radiology. Omaha, Neb: Radiological Society of North America, 1920.
MLA(8版)引用形式Não informado. Journal of Radiology. Radiological Society of North America, 1920.
警告: この引用は必ずしも正確ではありません.