Walker, W. Medical Imaging 2004: Ultrasonic Imaging and Signal Processing. SPIE Digital Library.
Chicago-čujuhus (17. p.)Walker, William. Medical Imaging 2004: Ultrasonic Imaging and Signal Processing. SPIE Digital Library.
MLA-čujuhus (9. p.)Walker, William. Medical Imaging 2004: Ultrasonic Imaging and Signal Processing. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.