Hobbins, J. C. (2008). Obstetric ultrasound: Artistry in practice. Blackwell Pub..
芝加哥风格引文Hobbins, John C. Obstetric Ultrasound: Artistry in Practice. Malden, Mass: Blackwell Pub., 2008.
MLA引文Hobbins, John C. Obstetric Ultrasound: Artistry in Practice. Blackwell Pub., 2008.
警告：这些引文格式不一定是100％准确.