Não informado. (2000). Transactions of the Philadelphia Academy of Surgery. Philadelphia Academy of Surgery.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Transactions of the Philadelphia Academy of Surgery. Philadelphia, Pa: Philadelphia Academy of Surgery, 2000.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Transactions of the Philadelphia Academy of Surgery. Philadelphia Academy of Surgery, 2000.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.
