Shaler, N. S. (1898). Armada days: A dramatic sketch. Univ. Press.
Lua i Stíl Chicago (17ú heag.)Shaler, Nathaniel Southgate. Armada Days: A Dramatic Sketch. Cambridge, Mass.: Univ. Press, 1898.
Lua MLA (8ú heag.)Shaler, Nathaniel Southgate. Armada Days: A Dramatic Sketch. Univ. Press, 1898.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.