Παραπομπή σε μορφή APA (7η εκδ.)

Nyhus, L. M., Wastell, C., & Allgower, M. (1986). Surgery of the stomach and duodenum (4th edition.). Little, Brown.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nyhus, Lloyd M., Christopher Wastell, και Martin Allgower. Surgery of the Stomach and Duodenum. 4th edition. Boston: Little, Brown, 1986.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nyhus, Lloyd M., et al. Surgery of the Stomach and Duodenum. 4th edition. Little, Brown, 1986.