Unger, H. (1943). Robert Koch: Roman Traducerea: Livia Poenaru / [von] Helmut Unger. "Publicom".
Lua i Stíl Chicago (17ú heag.)Unger, Helmut. Robert Koch: Roman Traducerea: Livia Poenaru / [von] Helmut Unger. Bucureşti: "Publicom", 1943.
Lua MLA (8ú heag.)Unger, Helmut. Robert Koch: Roman Traducerea: Livia Poenaru / [von] Helmut Unger. "Publicom", 1943.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.