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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevij, 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLevij, 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.
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