Bengtson, H. (1981). Kaiser Augustus: Hermann Bengtson. Beck.
Lua i Stíl Chicago (17ú heag.)Bengtson, Hermann. Kaiser Augustus: Hermann Bengtson. München: Beck, 1981.
Lua MLA (8ú heag.)Bengtson, Hermann. Kaiser Augustus: Hermann Bengtson. Beck, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.