Sommerfeldt, H. A. (1861). Atlas to the elementary and practical principles of the Construction of ships. John Weale.
Lua i Stíl Chicago (17ú heag.)Sommerfeldt, Hakon A. Atlas to the Elementary and Practical Principles of the Construction of Ships. London: John Weale, 1861.
Lua MLA (9ú heag.)Sommerfeldt, Hakon A. Atlas to the Elementary and Practical Principles of the Construction of Ships. John Weale, 1861.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.