APA
(2004). Journal of Ultrasound in medicine. U. S. A: American Institute of Ultrasound medicine.
Chicago
2004. Journal of Ultrasound in medicine. U. S. A: American Institute of Ultrasound medicine.
Harvard
(2004). Journal of Ultrasound in medicine. U. S. A: American Institute of Ultrasound medicine.
MLA
Journal of Ultrasound in medicine. U. S. A: American Institute of Ultrasound medicine. 2004.
