Varney, h. Nurse-Midwifery. Blacwell Scientific Publications.
芝加哥风格引文Varney, helen. Nurse-Midwifery. Blacwell Scientific Publications.
MLA引文Varney, helen. Nurse-Midwifery. Blacwell Scientific Publications.
警告：这些引文格式不一定是100％准确.
APA引文