Mårtensson, H. (1983). Gut endocrine tumors: On the classification, diagnosis and treatment with special reference to midgut tumors. Dept. of Surgery, Lund University.
Chicago-referens (17:e uppl.)Mårtensson, Hans. Gut Endocrine Tumors: On the Classification, Diagnosis and Treatment with Special Reference to Midgut Tumors. Lund: Dept. of Surgery, Lund University, 1983.
MLA-referens (8:e uppl.)Mårtensson, Hans. Gut Endocrine Tumors: On the Classification, Diagnosis and Treatment with Special Reference to Midgut Tumors. Dept. of Surgery, Lund University, 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.