Não informado. (1950). Hospital Topics. Heldref Publications.
Chicagoスタイル(17版)引用形式Não informado. Hospital Topics. Washington: Heldref Publications, 1950.
MLA(8版)引用形式Não informado. Hospital Topics. Heldref Publications, 1950.
警告: この引用は必ずしも正確ではありません.