Beck, C. D., & Beck, J. W. (1779). Specimen historiae Bibliothecarum Alexandrinarum.
Lua i Stíl Chicago (17ú heag.)Beck, Christian Daniel, agus Jan Wilbertus Beck. Specimen Historiae Bibliothecarum Alexandrinarum. Lipsiae, 1779.
Lua MLA (8ú heag.)Beck, Christian Daniel, agus Jan Wilbertus Beck. Specimen Historiae Bibliothecarum Alexandrinarum. 1779.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.