Παραπομπή σε μορφή APA (7η εκδ.)

Lygidakis, N. J., Tytgat, G. N. J., & Skinner, D. B. (1989). Hepatobiliary and pancreatic malignancies: Diagnosis, medical and surgical management. Georg Thieme.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lygidakis, N. J., Guido N. J. Tytgat, και David B. Skinner. Hepatobiliary and Pancreatic Malignancies: Diagnosis, Medical and Surgical Management. Stuttgart: Georg Thieme, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lygidakis, N. J., et al. Hepatobiliary and Pancreatic Malignancies: Diagnosis, Medical and Surgical Management. Georg Thieme, 1989.