APA引文

Sanders, R. C. (1985). The Principles and Practice of Ultrasonography in Obstetrics and Gynecology.

Chicago Style (17th ed.) Citation

Sanders, Roger C. The Principles and Practice of Ultrasonography in Obstetrics and Gynecology. 1985.

MLA引文

Sanders, Roger C. The Principles and Practice of Ultrasonography in Obstetrics and Gynecology. 1985.

警告：這些引文格式不一定是100％准確.