Παραπομπή σε μορφή APA (7η εκδ.)

Levij, I. S. (1959). The acute and chronic peptic lesions of the stomach and the duodenum: Their frequency, mutual relation and correlation with other diseases. Excelsior.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Levij, Izak Salomon. The Acute and Chronic Peptic Lesions of the Stomach and the Duodenum: Their Frequency, Mutual Relation and Correlation with Other Diseases. 's-Gravenhage: Excelsior, 1959.

Παραπομπή σε μορφή MLA (8th εκδ.)

Levij, Izak Salomon. The Acute and Chronic Peptic Lesions of the Stomach and the Duodenum: Their Frequency, Mutual Relation and Correlation with Other Diseases. Excelsior, 1959.