Não informado. (1940). Midwives Chronicle and Nursing Notes. Royal College of Midwives.
Chicagoスタイル(17版)引用形式Não informado. Midwives Chronicle and Nursing Notes. London: Royal College of Midwives, 1940.
MLA(8版)引用形式Não informado. Midwives Chronicle and Nursing Notes. Royal College of Midwives, 1940.
警告: この引用は必ずしも正確ではありません.