Não informado. (2012). Surgical Laparoscopy & Endoscopy. Lippincott Williams & Wilkins.
Chicago-viite (17. p.)Não informado. Surgical Laparoscopy & Endoscopy. Hagerstown, Md: Lippincott Williams & Wilkins, 2012.
MLA-viite (8. p.)Não informado. Surgical Laparoscopy & Endoscopy. Lippincott Williams & Wilkins, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.