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Lua i Stíl Chicago (17ú heag.)Gudiksen, Erik. Investigations on the Composition of Gastric Juice: With a Summary in Danish. [Copenhague: H. Hagerup, 1950.
Lua MLA (8ú heag.)Gudiksen, Erik. Investigations on the Composition of Gastric Juice: With a Summary in Danish. H. Hagerup, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.