Sanders, R. C. (1985). The Principles and Practice of Ultrasonography in Obstetrics and Gynecology.
Citazione stile Chigago Style (17a edizione)Sanders, Roger C. The Principles and Practice of Ultrasonography in Obstetrics and Gynecology. 1985.
Citatione MLA (9a ed.)Sanders, Roger C. The Principles and Practice of Ultrasonography in Obstetrics and Gynecology. 1985.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.