Behrens, F. (1939). Thrilling Sea-Stories. Westermann.
Lua i Stíl Chicago (17ú heag.)Behrens, Friedrich. Thrilling Sea-Stories. Braunschweig [u.a.]: Westermann, 1939.
Lua MLA (8ú heag.)Behrens, Friedrich. Thrilling Sea-Stories. Westermann, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.