APA-viite (7. p.)

Stevenson, G., Welsh, A., Impey, L., Noble, J., & Collins, S. (2016). An image processing technique for the visualization and quantification of blood flow entering the placenta using 3D power Doppler Ultrasound (PD-US). Elsevier.

Chicago-viite (17. p.)

Stevenson, G., A. Welsh, L. Impey, J. Noble, ja S. Collins. An Image Processing Technique for the Visualization and Quantification of Blood Flow Entering the Placenta Using 3D Power Doppler Ultrasound (PD-US). Elsevier, 2016.

MLA-viite (9. p.)

Stevenson, G., et al. An Image Processing Technique for the Visualization and Quantification of Blood Flow Entering the Placenta Using 3D Power Doppler Ultrasound (PD-US). Elsevier, 2016.