Palmer, C. M., D'Angelo, R., & Paech, M. J. (2011). Obstetric anesthesia. Oxford University Press.

Palmer, Craig M., Robert D'Angelo, and Michael J. Paech. Obstetric Anesthesia. Oxford: Oxford University Press, 2011.

Palmer, Craig M., et al. Obstetric Anesthesia. Oxford University Press, 2011.