Crockard, A. (1985). Neurosurgery the scientific basis of clinical practice.
Lua i Stíl Chicago (17ú heag.)Crockard, Alan. Neurosurgery the Scientific Basis of Clinical Practice. 1985.
Lua MLA (9ú heag.)Crockard, Alan. Neurosurgery the Scientific Basis of Clinical Practice. 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.