Nixon, J. E. (1983). Avascular necrosis of bone: A review.
Chicago Style aipamenaNixon, J E. Avascular Necrosis of Bone: A Review. 1983.
MLA aipamenaNixon, J E. Avascular Necrosis of Bone: A Review. 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.