Não informado. (1941). Medical Bulletin. Standard Oil Company and Affiliated Companies.
Chicagoスタイル(17版)引用形式Não informado. Medical Bulletin. New York: Standard Oil Company and Affiliated Companies, 1941.
MLA(8版)引用形式Não informado. Medical Bulletin. Standard Oil Company and Affiliated Companies, 1941.
警告: この引用は必ずしも正確ではありません.