Παραπομπή σε μορφή APA (7η εκδ.)

Mårtensson, H. (1983). Gut endocrine tumors: On the classification, diagnosis and treatment with special reference to midgut tumors. Dept. of Surgery, Lund University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mårtensson, Hans. Gut Endocrine Tumors: On the Classification, Diagnosis and Treatment with Special Reference to Midgut Tumors. Lund: Dept. of Surgery, Lund University, 1983.

Παραπομπή σε μορφή MLA (8th εκδ.)

Mårtensson, Hans. Gut Endocrine Tumors: On the Classification, Diagnosis and Treatment with Special Reference to Midgut Tumors. Dept. of Surgery, Lund University, 1983.