Silverton, l. (1993). The art and science of midwifery. Prentice Hall.
芝加哥风格引文Silverton, louise. The Art and Science of Midwifery. Prentice Hall, 1993.
MLA引文Silverton, louise. The Art and Science of Midwifery. Prentice Hall, 1993.
警告：这些引文格式不一定是100％准确.