HERTST, J. (2009). MAJOR INVENTIONS THROUGH HISTORY: THE HISTORY OF WEAPONS. LERNER BOOKS.
Lua i Stíl Chicago (17ú heag.)HERTST, JUDITH. MAJOR INVENTIONS THROUGH HISTORY: THE HISTORY OF WEAPONS. LONDON: LERNER BOOKS, 2009.
Lua MLA (9ú heag.)HERTST, JUDITH. MAJOR INVENTIONS THROUGH HISTORY: THE HISTORY OF WEAPONS. LERNER BOOKS, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.