Não informado. (1965). Abdominal surgery. American Society of Abdominal Surgeons.
Chicagoスタイル(17版)引用形式Não informado. Abdominal Surgery. Melrose, Mass: American Society of Abdominal Surgeons, 1965.
MLA(8版)引用形式Não informado. Abdominal Surgery. American Society of Abdominal Surgeons, 1965.
警告: この引用は必ずしも正確ではありません.