Não informado. (2008). The Year book of surgery. Year Book Medical Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. The Year Book of Surgery. Chicago, Ill: Year Book Medical Publishers, 2008.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. The Year Book of Surgery. Year Book Medical Publishers, 2008.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.