Cita APA (7th ed.)
Abdulhak, M., & Marzouk, S. (2006). Challenging cases in spine surgery. Thieme.
Cita Chicago (17th ed.)
Abdulhak, Muwaffak, i Shaden Marzouk. Challenging Cases in Spine Surgery. New York: Thieme, 2006.
Cita MLA (9th ed.)
Abdulhak, Muwaffak, i Shaden Marzouk. Challenging Cases in Spine Surgery. Thieme, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.