Cita APA (7a ed.)

El-Ghandour, S., Radwan, M., & Alshatoury, H. (2013). Sagittal Balance Improvement in Surgical Treatment of Low- Grade Isthmic Lumbosacral Spondylolisthesis. Egyptian Spine Association.

Cita Chicago Style (17a ed.)

El-Ghandour, Samir, Mohamed Radwan, y Hassan Alshatoury. Sagittal Balance Improvement in Surgical Treatment of Low- Grade Isthmic Lumbosacral Spondylolisthesis. Egyptian Spine Association, 2013.

Cita MLA (8a ed.)

El-Ghandour, Samir, et al. Sagittal Balance Improvement in Surgical Treatment of Low- Grade Isthmic Lumbosacral Spondylolisthesis. Egyptian Spine Association, 2013.